-7=7+2y

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Solution for -7=7+2y equation: 



-7=7+2y

We move all terms to the left:

-7-(7+2y)=0

We add all the numbers together, and all the variables

-(2y+7)-7=0

We get rid of parentheses

-2y-7-7=0

We add all the numbers together, and all the variables

-2y-14=0

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

-2y=14

y=14/-2

y=-7

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