-7=-2+y

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Solution for -7=-2+y equation: 



-7=-2+y

We move all terms to the left:

-7-(-2+y)=0

We add all the numbers together, and all the variables

-(y-2)-7=0

We get rid of parentheses

-y+2-7=0

We add all the numbers together, and all the variables

-1y-5=0

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

-y=5

y=5/-1

y=-5

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