Simultaneous Equations - Elimination Method

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  • čas přidán 7. 10. 2018
  • Some more simultaneous equation content for da people.....
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Komentáře • 85

  • @trevonsamuels3505
    @trevonsamuels3505 Před 2 lety +15

    All this info coming in one ears n going through the otha

  • @kayannreid9871
    @kayannreid9871 Před 2 lety +13

    This helps me understand so much better than an 1 hour and a half of my math teacher teaching me it

  • @sherenebarnes-palmer4738
    @sherenebarnes-palmer4738 Před 4 lety +44

    Video is simple and straight to the point.... Will definitely be using this video to teach my students during this lock down... Thanks alot

  • @jennamohammed3370
    @jennamohammed3370 Před 2 lety +14

    Is it just me that still finds this hella confusing 😐i think its me on the whole

  • @arsenalboss1399
    @arsenalboss1399 Před rokem +3

    My head is hurting i need more videos like this please

  • @faebalina7786
    @faebalina7786 Před 4 lety +1

    I watched like 5 different videos.I finally get it.Thank you Thank you

  • @HighGround-rx1lr
    @HighGround-rx1lr Před 3 lety +4

    Oh my goodness. Thank you so much, i have homework to do and a test coming on Thursday and this got my homework answer correct! Hope i pass my test! Once again thank you!

  • @staceypark48
    @staceypark48 Před 4 lety +4

    Thank u so so much sir I was having problems working out the Simultaneous Equations...after watching your videos it really helped me.. I hoping this time i pass maths.!

  • @la-donyahinds774
    @la-donyahinds774 Před 5 lety +2

    Thank you so much sir....this really builds my confidence for exam

  • @hannahisahack5042
    @hannahisahack5042 Před 3 lety +5

    answer : y= -1 x= 2

  • @farheenyousuf6199
    @farheenyousuf6199 Před 4 lety +1

    Thanks alot!It really helped me immensely!

  • @thee-content-creator
    @thee-content-creator Před 4 lety +2

    Best video on CZcams ✔

  • @Jay_W820
    @Jay_W820 Před 5 lety +4

    thank you sir .... i now understand it

  • @terrannmcfield6046
    @terrannmcfield6046 Před 2 lety +1

    Thank you sir for doing viedos like this I really appreciate it

  • @mervin_jr_woods1644
    @mervin_jr_woods1644 Před 3 lety

    You help me well with simultaneous equations thanks👍

  • @victoriaking7644
    @victoriaking7644 Před 3 lety +12

    Late but still will answer the last question.
    2x+y=3
    5x-2y=12
    I multiply the first equation by two so its now: 4x+2y=6
    Using the first and third eqn
    4x+2y=6
    5x-2y=12
    Adding.....
    9x=18
    X=18÷9
    X=2
    Substituting X to find Y now.
    Using the second equation
    5(2)-2y=12
    10-2y=12-10
    -2y=2
    Y= 2 divided by -2
    Y=-1
    After all the teaching from my teacher( not saying he's bad but...) and still not understanding it watching your videos which probably took less and understanding completely thanks sir big up you.

    • @thomasstark1542
      @thomasstark1542 Před 2 lety

      Thanks (helped with the subst part lol)

    • @moonlicious7369
      @moonlicious7369 Před měsícem

      Bruhhh I got y = -2 and x= -1 lmfao idk way I went wrong

  • @kerrianlowton1087
    @kerrianlowton1087 Před rokem +2

    Thanks alot

  • @thatkiddquotes7269
    @thatkiddquotes7269 Před 2 lety

    bro u saving me right now in math

  • @khiabynoe4614
    @khiabynoe4614 Před 2 lety +1

    my lessons teacher is the best i understand it

  • @Ronaldo_editz-ov3ye
    @Ronaldo_editz-ov3ye Před 5 měsíci

    Thank u so much sir this helped me a lot I have a big test tomorrow thank u so much

  • @farlonandrews327
    @farlonandrews327 Před 5 lety +2

    This is awsome lpve this

  • @unknownperson4074
    @unknownperson4074 Před 7 měsíci

    The way you did it for worst case scenario by multiplying entire eq 1 by one from eq 2 and visi versa is how we learned to do it on the whole

  • @tarasaquashie8895
    @tarasaquashie8895 Před rokem

    Thank you this helped.

  • @zirblive
    @zirblive Před 2 lety

    Sir you are a boss thanks alot

  • @enochlewis4957
    @enochlewis4957 Před rokem

    Thank god for these basics imagine I deh doing pure maths here in Guyana and boom I break down the equations and I forget simultaneous equations wow

  • @jjwproductions7449
    @jjwproductions7449 Před 5 lety

    Helped me for exams tmr

  • @sumerslamer
    @sumerslamer Před 2 lety +3

    The last equation, where you found x i don't understand how you got 3x = -18, i was following up until then please reply if you see this.

  • @gabrie-elbrowne7738
    @gabrie-elbrowne7738 Před 4 lety

    Sir it was good

  • @burneracc615
    @burneracc615 Před 2 lety

    bless sir

  • @shenellehamid6206
    @shenellehamid6206 Před 5 lety +3

    Ii Was Just doing This And Lost, THanks so much

  • @yuvrajsingh6662
    @yuvrajsingh6662 Před 3 lety +2

    On the last part .. y did you have 18 sir??

  • @shawntaeirwin5138
    @shawntaeirwin5138 Před rokem +1

    i understood everything in the last example whereby the coefficients were not the same, therefore the re-writing had to be done in order to obtain 3x+4y=2 and 5x+9y=-6. however, im unclear as to how you got 15x+20y=10??? i saw how u got the 15x+27y=-18 by multiplying by eqn 3 but not sure how you got the 15x+20y=10 part please can you explain?

  • @alexseepersaud8237
    @alexseepersaud8237 Před 3 lety +2

    Everything looks easy but the work is different

  • @butterflygirl4771
    @butterflygirl4771 Před 2 lety +1

    Sir how did u know to multiply them by 2 for @5:11

  • @staceypark48
    @staceypark48 Před 4 lety

    Sir could u do some videos on Trigs and bearings please.

  • @aamishaali8367
    @aamishaali8367 Před 2 lety +1

    Can u do substitution method please ?

  • @kevincraft9024
    @kevincraft9024 Před 5 lety +11

    Wait wait..... you can't just tell me you finish them chemistry videos. I just suggesting for you to do Qualitative Analysis , Electrochemistry and Redox. Thanking you in advance, Kevin

  • @Denver_Dude_777
    @Denver_Dude_777 Před 4 lety

    Thanks a lot this gives me the courage to do maths!!!

  • @khaleelkernahan7414
    @khaleelkernahan7414 Před 2 lety +1

    I going an join your lessons yes 😂

  • @kush.ghurr99
    @kush.ghurr99 Před 2 lety +1

    Why did you add at the first part sir

  • @ritasuraj1569
    @ritasuraj1569 Před 3 lety

    Hi sir are u related to atiba Springer
    He taught also at ytepp

  • @reneehercules2879
    @reneehercules2879 Před 4 lety

    So my sir is doing it a different way including reasoning etc

  • @zoobaguides2584
    @zoobaguides2584 Před 5 lety +1

    Orrr I now understand it, this whole time i doing my own thing 😐I getting the answer but my working different LOL sigh thanks so much

  • @hughjanus7371
    @hughjanus7371 Před 4 lety

    What if the one equation is equal and the other one is not

  • @dhejahnaypryce7015
    @dhejahnaypryce7015 Před 3 lety +4

    How did u get the 18 in 3x=18?

  • @itzshea4921
    @itzshea4921 Před 3 lety +1

    This has been very helpful for me but there was one case in where I used equation three to find y and did not get -1

    • @itzshea4921
      @itzshea4921 Před 3 lety

      I redid it and got minus one...sorry for any inconvenience caused

  • @lcreation259
    @lcreation259 Před 3 měsíci

    Bad man intro

  • @Themoralie
    @Themoralie Před 7 měsíci

    X=2 and y=1

  • @ZaraIyannaCulley
    @ZaraIyannaCulley Před měsícem

    20y-27y will be -7y

  • @tr3xfam225
    @tr3xfam225 Před 5 lety +3

    are you from trinidad

  • @nikkinelson8691
    @nikkinelson8691 Před 2 lety +1

    sir you could of finish the working properly in the last part of the last question so i could of understand how you got x=6
    i understand everything but just that please

    • @sumerslamer
      @sumerslamer Před 2 lety +2

      I still dont understand this 8 months later

  • @joshuahosein3504
    @joshuahosein3504 Před 5 lety +2

    U from d caribbean?

  • @cherolnodineblair8995
    @cherolnodineblair8995 Před 5 lety +4

    2016 May answer is x=2, y=1 and 2009 May is equation x+2y=8.00
    3x+y=9.00
    Solution is y=3,x=2

  • @itschrisan4545
    @itschrisan4545 Před 2 lety

    How do we know which equation we substitute into

    • @nova_codm9784
      @nova_codm9784 Před 2 lety +1

      im pretty sure he said it could be either but he choose 1

    • @nova_codm9784
      @nova_codm9784 Před 2 lety +1

      in the end you have to work out both anyways

  • @reneehercules2879
    @reneehercules2879 Před 4 lety

    But yours is much simple

  • @Jay_W820
    @Jay_W820 Před 5 lety +1

    the second question was x=3 and y=2

  • @isaiahrivers4707
    @isaiahrivers4707 Před 2 lety

    The example of anime in maths tutorialss😂

  • @KC_Vault
    @KC_Vault Před 3 lety +1

    I’m confused when he got the equation 3

  • @natashawalker7140
    @natashawalker7140 Před 5 lety

    one packet of biscuits =2
    one cup of ice cream =3

  • @darkff8765
    @darkff8765 Před 3 lety

    Words can't explain I just wanna come in your face and tell u thanks

  • @kristonbahadur8837
    @kristonbahadur8837 Před 3 lety +1

    for the second, u substituted the x into equation2. wasn't it supposed to be in equation 1 or 3? 6:25

  • @Jay_W820
    @Jay_W820 Před 5 lety +1

    the first question was x =2 and y=-2

  • @ghousiakhalid4349
    @ghousiakhalid4349 Před 2 lety

    very very fast can't understand