9y+8=7y-4

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Solution for 9y+8=7y-4 equation: 



9y+8=7y-4

We move all terms to the left:

9y+8-(7y-4)=0

We get rid of parentheses

9y-7y+4+8=0

We add all the numbers together, and all the variables

2y+12=0

We move all terms containing y to the left, all other terms to the right

2y=-12

y=-12/2

y=-6

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