GCSE Maths - How to Solve Simultaneous Equations - Using the Elimination Technique

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  • čas přidán 28. 06. 2024
  • This video covers how to use the elimination technique to solve simultaneous equations.
    This video is suitable for maths courses around the world.
    KS3 - All on your course
    GCSE Foundation - All on your course
    GCSE Higher - All on your course
    A-level - All on your course
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Komentáře • 182

  • @juveria6536
    @juveria6536 Před 2 lety +370

    Cognito is definitely a channel all GCSE and IGCSE students should revise from ✋

    • @Cognitoedu
      @Cognitoedu  Před 2 lety +68

      Thank yoooou! 😊

    • @alisakhan2919
      @alisakhan2919 Před 2 lety +38

      I don't just Revise, it's my personal tutor

    • @jajalulujaju
      @jajalulujaju Před 2 lety +11

      Totally true, this channel is always the one i can understand and the videos are just so good to make notes, very neat!

    • @josey_wassal1374
      @josey_wassal1374 Před rokem +6

      True
      Cause after watching his videos I still wasn't getting it at first but I kept watching him
      And I passed my exams

    • @Abdillahi_
      @Abdillahi_ Před rokem +1

      True

  • @spacelien7201
    @spacelien7201 Před rokem +66

    I've never been one to pass math ever but I recently got back my GCE N'Level Examination results and I thought I was going to fail since I only started studying last minute but to my shock I passed. I didn't pass with good grades but I still managed to pass and that's all I'm happy for. This channel really helped me understand math easily compared to when I studied in school. Thank you very much!

  • @Marsva
    @Marsva Před rokem +20

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  • @alexa1338
    @alexa1338 Před 5 měsíci +13

    This channel saves me every time I got a test 😂 my maths teacher actually explains it to different and barely anyone understands what she is saying half the time so thank you! 😂

  • @joshdawson1622
    @joshdawson1622 Před 4 měsíci +4

    Honestly there are a lot of different revision channels with there respective learning patterns but the way cognito shows and explains the work for the specific video is great u can pause at any time to write notes tips and personal options down let alone the fact that cognito explains everything perfectly so that u can understand what u are trying to work out step by step is jsut perfect for all revisers well educated of not it’s perfect for everyone personally this channel is helping me a lot and by the looks of it this is 2 years old and still affective! So thank u I saw this in my maths book and thought I was going to suffer but not any more ✌🏽

  • @foxtv9157
    @foxtv9157 Před 3 měsíci +17

    My exam is in 15 minutes and I just found out how to do this!? I CAN'T BELIEVE IT!!!😂

  • @jsp1407
    @jsp1407 Před 2 lety +10

    Came here for the simultaneous equations step by step. Such a straight forward and easy-to-follow video. Thank you :)

  • @memososy9091
    @memososy9091 Před rokem +23

    I really like the way this channel explains as it helps me understand all the topics I am doubtful in. Thank you and keep it up!

  • @self.living
    @self.living Před rokem +1

    We need more channels like this! Thank you so much cognito!

  • @jaehyungdemrek1612
    @jaehyungdemrek1612 Před 2 lety +5

    Finally, a video that actually helps! Anyone relates?

  • @_stray.kids_5215
    @_stray.kids_5215 Před 2 lety +11

    I recommend this channel for all student who takes IGCSE, its very help full :)

    • @aishamuhammad413
      @aishamuhammad413 Před 4 měsíci

      not relevant to the topic but *LOVE STRAY KIDS...!!*

  • @CustomBeet28105
    @CustomBeet28105 Před 27 dny +2

    why did nobody tell me it was this simple ive been struggling with these for ages

  • @bobeh_
    @bobeh_ Před 2 měsíci +1

    Underrated channel ngl , you should really make ur self known to ppl

  • @saraa4946
    @saraa4946 Před 2 lety +15

    Thank you so much! I’m literally glued to this channel, keep up the good work and thank you for everything ❤️

    • @Cognitoedu
      @Cognitoedu  Před 2 lety +3

      Aha thank you so much SaraH, glad you like it 🤩

  • @shannelchikumbu3385
    @shannelchikumbu3385 Před 10 měsíci +2

    This channel really helps understand concepts that I failed to understand at school

  • @lvin_ohh
    @lvin_ohh Před 2 lety +8

    OMG thanks cognito 😭, I finally have a better understanding of the equation, really thanks. This channel legit help me alot, math physics chem, its like my tutor 😭 TYVM 🥰

    • @Cognitoedu
      @Cognitoedu  Před 2 lety +3

      Ah thank you so much for letting us know Jolyn, glad you like it 🤩

  • @theoneandonlyanimates
    @theoneandonlyanimates Před rokem +1

    Omg, thank you. You helped me pass some of my tests this week thanks ❤

  • @paulastreet4557
    @paulastreet4557 Před rokem +1

    Thank you so much for a great explanation of this technique!

  • @sadikagunarathne4974
    @sadikagunarathne4974 Před rokem

    Great channel! Appreciate the effort! Keep up the great work! ❤️

  • @newjeansqq
    @newjeansqq Před 3 měsíci

    OMG. Ty I've been looking for this everywhere I have liked and subscribed!!!

  • @flash_monitor
    @flash_monitor Před 6 měsíci

    your learning website is so GOOD thank you so much bro you are the best!!!!!!

  • @madeleinej6048
    @madeleinej6048 Před 2 lety +15

    Hi! I know you have so many other requests but if you have time would you be able to consider doing a video on venn diagrams? I’m not doing the best at maths and I’m struggling a little with this topic and your videos are the only ones I learn from :))

  • @Palestine4Life.
    @Palestine4Life. Před 5 měsíci +1

    Thx all to u ive finally learnt how to do it THANK YOU SOOOO MUCH❤

  • @jaylota.
    @jaylota. Před 2 lety +35

    looking forward to the maths section on the website. Any rough idea of when it will come?

    • @minjeonglee3953
      @minjeonglee3953 Před 2 lety +1

      Wondering that too! I'm guessing mid-year perhaps?

    • @andrewduffin5455
      @andrewduffin5455 Před 2 lety +1

      it's out now if you don't already :)

    • @salhamaryamrilwan297
      @salhamaryamrilwan297 Před 2 lety +1

      It’s available now

    • @stevengallagher635
      @stevengallagher635 Před rokem

      What would you be looking for from a Maths website and a youtube channel? I only ask as I'm in the process of making such a platform.

    • @jazzytownd4343
      @jazzytownd4343 Před rokem

      @@stevengallagher635 if its an interative question website some of the things i would be looking for is an interesting game-like experience with an encouraging atomosphere since many of the websites dont do that for gcse level students.

  • @user-ro3yb6hq2v
    @user-ro3yb6hq2v Před 8 měsíci

    thank you so much for this really clearly and effectively explained.

  • @erikgerbst3446
    @erikgerbst3446 Před 6 měsíci +5

    i kept denying that i was right cause i got a non integer awnser but then i kept watching and realized im too tired to revise and went to sleep

  • @hryanmahajan4264
    @hryanmahajan4264 Před 2 lety +5

    I suggested your channel to all of my classmates and they found it very helpful
    I must say tho, the website is a piece of work! it is very helpful tho can you add 2021 and 2020 papers too?
    Thanks have a good day!

  • @lammieshipper
    @lammieshipper Před rokem +1

    thank you SO much for this video, what a livesaver

  • @indrabahukhandi7580
    @indrabahukhandi7580 Před rokem

    Thankyou so much ❤ my child is in Gcse board he was having problem to understand science and maths of gcse board but it is easier for him to learn now thankyou😊

  • @ii_MnBCT
    @ii_MnBCT Před 4 měsíci +2

    Bro needs to be my teacher for all of my leasons

  • @PrincessPanda-xt2dk
    @PrincessPanda-xt2dk Před 4 měsíci

    Cognito is a really helpful channel all the questions are done in a really easy method easy to understand and well explained 😊

  • @nour3660
    @nour3660 Před rokem +2

    You made it SO easy, i have paper 2 maths tomorrow (or actually today, at 8:00am, its 12:00 am rn)
    Edit: 1 simultaneous equation came and i fumbled the ball 😭😭😭😭. Im so bad at math and good at everything else WHYYYY

  • @TranquilSeaOfMath
    @TranquilSeaOfMath Před 7 měsíci

    Excellent explanations. Nice, helpful animations.

  • @DoMoreNew
    @DoMoreNew Před rokem

    Hi! I absolutely love your videos! Question - is there a video for solving simultaneous equations using substitution? One of your videos said that there's a video for that but you've got 2 graph videos linked to simultaneous equations and one video on elimination. Anyways, you don't realise how much this is helping us!

  • @videovideoyeah
    @videovideoyeah Před 14 dny

    This is the best channel for exams 😊

  • @saab4584
    @saab4584 Před 2 lety +2

    Excellent work

  • @user-qp9wq2ct2q
    @user-qp9wq2ct2q Před měsícem

    This is the one that I’ve understood the most so far

  • @thevillage.j
    @thevillage.j Před 4 měsíci

    bro thank you so much the other video i watchde i struggled getting the method

  • @imbisatfarey
    @imbisatfarey Před rokem

    thank you so much you explained so well

  • @sharone5802
    @sharone5802 Před 2 lety +20

    Hi, I hope you are having a great day. I was just wondering if you could possibly make videos related to history in the future, because you guys make such great videos which are easy to understand and filled with information, and a lot of people would probably like history videos. Also, when can we be expecting the math part on the website?

    • @jajalulujaju
      @jajalulujaju Před 2 lety +2

      I think for history you just have to memorise like know the timings and what’s going on that time and also remember the answer structures.

  • @bombi8709
    @bombi8709 Před 2 lety +1

    I love this video cognito thank you

  • @SlayFedez777
    @SlayFedez777 Před rokem +1

    Hey bro, I hope you have a great day😁! Cognito is just the right type of channel which gives us clear solutions to the selected topics. You have really helped me improve and get over my barriers and improve to the most! Thank you so much, Cognito! 🔥😎👍🏻

  • @isaac-bz3us
    @isaac-bz3us Před měsícem +79

    Examine in 20 mins

  • @hamzr.5518
    @hamzr.5518 Před 7 dny

    Thank you so much may god bless you your the GOAT 🙏🐐

  • @user-po1uk2of6g
    @user-po1uk2of6g Před 2 lety +2

    Awesome!

  • @jasonrauch6326
    @jasonrauch6326 Před měsícem

    thank you so much for the great explanation

  • @cyrahauske
    @cyrahauske Před 4 měsíci

    I'm doing this work at home when I'm in grade 6 because our school doesnt teach us math that is complicated enough. I didn't realise it would be GCSE, but I think I will follow this channel and continue with stuff like this ❤️

    • @bruhrito1437
      @bruhrito1437 Před 3 měsíci

      That’s probably because you wouldn’t learn this till you’re older, at least where I’m from we didn’t do this kind of stuff in grade 6

  • @torielschild
    @torielschild Před 2 měsíci

    Thank you for your help!

  • @Kate-yl1wc
    @Kate-yl1wc Před 7 měsíci +2

    1:14 subtracked is cracking me up for no reason 😹😹

  • @kingvortex2007
    @kingvortex2007 Před 5 měsíci +3

    4:57 idk of im just being stupid but i dont understand how het got that from -2x from both sides.

    • @whereruneeb
      @whereruneeb Před 3 měsíci

      bc -2x from the right side just takes it away from that side completely and adds -2x to the opposite side

  • @kanamonnair4126
    @kanamonnair4126 Před 2 lety +1

    Cognito i think you should make make a video on the other method used to solve simultaneous which is substitution

  • @violetxo7512
    @violetxo7512 Před 6 měsíci

    Can you please please start doing Alevel content.I loved cognito for gcse it got me 7s and above in maths and science and nothing compares with your videos.

  • @Sapiention
    @Sapiention Před 8 měsíci

    Honestly this is the only thing getting me through my GCSEs rn icl😭🙏🏼

  • @fad3769
    @fad3769 Před 3 měsíci

    Man this actually works im studying on the night before my final exams and this helped me sooo much like no other teacher as able to make me understand this but this guy made me understand it in like 5 mins. i actually may pass the exam for once In my life and im one of the dumbest in maths

  • @SalmanHassan-pg2ur
    @SalmanHassan-pg2ur Před 5 měsíci

    thank u sooo much it helped alot

  • @ljdbnts9825
    @ljdbnts9825 Před 28 dny

    Thanks man 😎

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    @ROCKY-pu1zt Před 4 měsíci

    I'm trying to get into Medical school and this was great

  • @kisanethabteslase4814
    @kisanethabteslase4814 Před 2 lety +2

    Hi! I know you have many request but if its possible can make a video on sets, vectors & function pleaseee. Coz these topics are tough.

  • @rextyrex
    @rextyrex Před 2 měsíci

    tysm way better than my math teacher

  • @JaydenPullen-uz1cs
    @JaydenPullen-uz1cs Před 4 měsíci +6

    Yeah im finished

  • @jakefree1094
    @jakefree1094 Před 2 lety +4

    Will you be updating your website? On the website it says some of the videos are "coming soon" but are already posted on the channel

  • @joyfords5082
    @joyfords5082 Před rokem +1

    This helped me only 2 minutes was left for the examination

  • @markkerbyson8778
    @markkerbyson8778 Před 2 lety

    It's interesting topic

  • @trinityleeman7069
    @trinityleeman7069 Před 2 lety +5

    Cool

  • @fremilaa1069
    @fremilaa1069 Před měsícem +1

    wait so on example 2 harder i thought the rule was hat if the signs were opposite you had to add and if the signs were the same you had to take away im so confused
    #

  • @Omar_improvment
    @Omar_improvment Před 7 měsíci

    thank you🤩🤩

  • @isabellashin4307
    @isabellashin4307 Před 2 měsíci +1

    Just a quick question, how does y=1 at the start? I understood everything up to that point, 2y=2 so how would y=1 x

    • @elopzx
      @elopzx Před měsícem

      Because if 2y = 2 then a singular y (1) = 1y

  • @anson1888
    @anson1888 Před 2 lety +2

    can u make a video on simultaneous inequalities

  • @ragnability4232
    @ragnability4232 Před 2 lety +3

    Hi sir, could you please make a tutorial on how to find the nth term of other types of sequences?

    • @emilythomas9363
      @emilythomas9363 Před rokem

      hi, there is a video on it on the website and their yt channel

  • @RobertAnderson-ef6xy
    @RobertAnderson-ef6xy Před 29 dny

    Thanks 😄

  • @jajalulujaju
    @jajalulujaju Před 2 lety +1

    This is totally helpful, and it is so easy to understand and take down notes! Thanks

  • @tinpotz_e
    @tinpotz_e Před 4 měsíci +1

    thanks im just a kindergarden and now i learnt hight levels math

  • @Sss.sassyyy__
    @Sss.sassyyy__ Před 9 měsíci

    Hi could you please make a video about substitute method thank you❤❤

  • @zeemish
    @zeemish Před 2 měsíci +1

    Hello Cognito
    This video is not on the website by the way.

  • @HughIngram
    @HughIngram Před 3 měsíci

    2 min in and i love you

  • @videovideoyeah
    @videovideoyeah Před 14 dny

    Thanks

  • @xlwxn._
    @xlwxn._ Před 2 lety +3

    i just have to say that singapore’s method is way harder than this as they are more steps than this one.

  • @hesk5868
    @hesk5868 Před 2 měsíci

    how do you know whether to subtract or minus on the first step ?

  • @user-zt6te6ky7w
    @user-zt6te6ky7w Před 8 měsíci

    Can you do the video of Substitution method

  • @icxy4887
    @icxy4887 Před rokem

    I normaly get high marks but i get even high with cognito so tysm for helping everyone

  • @arts--n--craft
    @arts--n--craft Před 5 měsíci +1

    In the 2nd equation, at '6:21' the solving is wrong:
    Y - 6Y is not 7Y, it is (-5Y)

  • @Shadowehunter
    @Shadowehunter Před 9 měsíci

    How do we know wather to minus the equation or plus

  • @Aiscia992
    @Aiscia992 Před rokem

    Can u use these vids if ur doing higher tier

  • @kenzieb2971
    @kenzieb2971 Před rokem

    6:30 all I don’t understand is how he got 3y for the second step when he is taking away

  • @DrHershi
    @DrHershi Před měsícem

    im so confused bro. fym take away 2x from both sides i dont get it

  • @ghostfacethescienceguy7770
    @ghostfacethescienceguy7770 Před 2 měsíci

    Why do you have to take away -2x at 5:29

  • @Vanessa-lima
    @Vanessa-lima Před měsícem +1

    6:24 what if our answer cant be divided

    • @hadiqaa7336
      @hadiqaa7336 Před 26 dny

      i think you mean what if the divided answer is a negative/decimal, which is fine. for example
      5y = 66
      we HAVE to find Y. So you HAVE to divide even if it’s not divisible by 5. so
      5y = 66
      = 66 divided by 5
      = 13.2
      Y = 13.2.
      this is a random example btw. sorry if u dont get it but yeah its ok if u have negatives or decimals, good luck!

  • @ardinio
    @ardinio Před rokem

    cognito i love you

  • @OlubiyiOlubola-fc9lf
    @OlubiyiOlubola-fc9lf Před 11 měsíci +1

    I had difficulty in it but not am good at it

  • @joshtulasoi9634
    @joshtulasoi9634 Před rokem

    What app do you use to make your videos?

  • @benpeps3500
    @benpeps3500 Před rokem +2

    My question is that why is +y-6y is= 7y

  • @Trixsti
    @Trixsti Před 8 měsíci

    How is 3y-2x=-2x what

  • @muhammadibrahim5965
    @muhammadibrahim5965 Před 9 měsíci +2

    Excuse me, I umm.... didn't understand in the second example how did -6y+y become +7 ...I know that +7 is correct but I don't know how.... that's it.... Because according to my brain and calculator the answer is -5y....
    Please anyone clear my doubt....

    • @Teebuzz_tv
      @Teebuzz_tv Před měsícem

      Exactly also saw that it was an error

    • @Rengoku_fan
      @Rengoku_fan Před 27 dny

      yh, its a error from cognito, ignore it

  • @WheezyTac
    @WheezyTac Před 4 měsíci

    wow

  • @fatimakamran3189
    @fatimakamran3189 Před 2 měsíci

    why are u guys from big classes i am in 7 and this is my dignostic test syllabus😭😭

  • @pranavgaming_az
    @pranavgaming_az Před 2 měsíci +2

    Test today 😢😢

  • @Johnnyflemingg
    @Johnnyflemingg Před 26 dny +1

    how is y + -6y = 7?

    • @fraudulentminke_
      @fraudulentminke_ Před 3 dny

      it's subtracting, so what we're actually doing is y - -6y but since there are two subtract symbols, it turns into addition, so in the end you're doing y + 6y to get 7y
      I'm not the best at explaining and I'm assuming you were revising for GCSEs which have already passed, but oh well 😅

  • @panxel8615
    @panxel8615 Před 5 měsíci

    y - 6y = -5y not 7y ???

  • @pela-me4cf
    @pela-me4cf Před měsícem

    I do not understand example two

  • @jxkyclipz7036
    @jxkyclipz7036 Před rokem

    why did he divide by 4? 2:01

    • @dolapoogundele1717
      @dolapoogundele1717 Před 7 měsíci

      because, the oppostie of multiplication is divison and since 4x means 4 * x, the opposite would be /4

    • @jxkyclipz7036
      @jxkyclipz7036 Před 7 měsíci

      Thanks