Turn the wrong Equation into Correct | Matchstick puzzle 1-3=9

Turn the wrong Equation into Correct | Matchstick puzzle 1-3=9
I was completely stumped by this last puzzle , but maybe you've already figured it out ? Please share your knowledge in the comments below !
You will see answer of these puzzles :-
1) Matchstick puzzle 8+3=3
2) Matchstick puzzle 4-5=6
3) Matchstick puzzle 1-5=6
4) Matchstick puzzle 5+6=5
5) Matchstick puzzle 1-3=9
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#puzzles #matches #riddles

[@calinhanca5704]

#6 => 2 - 3 = -1

[@janhaveesawant7165]

6) 3 + 4 = 7
2 - 3 = -1

[@user-wk6je7pi4h]

5: 7-2=5

[@janhaveesawant7165]

5) 1 + 7 = 8
1 - 3 = -2

[@yaburegasa]

(#5) 1+7=8, 1×3=3
(#6) 3+4=7, 4+3=7

[@yaburegasa]

(#5) 7-2=5

[@calinhanca5704]

#5 => 1 - 3 = -2

[@anandsinha8703]

1-3=-2

[@reayntalvensaari3341]

1+7=8

[@rasidingombong3918]

7+7=14

[@user-wk6je7pi4h]

6: -3+4=1
4+ -3=1

[@anandsinha8703]

4+3=7