-2y+7=y-8

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Solution for -2y+7=y-8 equation: 



-2y+7=y-8

We move all terms to the left:

-2y+7-(y-8)=0

We get rid of parentheses

-2y-y+8+7=0

We add all the numbers together, and all the variables

-3y+15=0

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

-3y=-15

y=-15/-3

y=+5

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