-7=3y-15-y

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Solution for -7=3y-15-y equation: 



-7=3y-15-y

We move all terms to the left:

-7-(3y-15-y)=0

We add all the numbers together, and all the variables

-(2y-15)-7=0

We get rid of parentheses

-2y+15-7=0

We add all the numbers together, and all the variables

-2y+8=0

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

-2y=-8

y=-8/-2

y=+4

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