-15=-7+4y

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Solution for -15=-7+4y equation: 



-15=-7+4y

We move all terms to the left:

-15-(-7+4y)=0

We add all the numbers together, and all the variables

-(4y-7)-15=0

We get rid of parentheses

-4y+7-15=0

We add all the numbers together, and all the variables

-4y-8=0

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

-4y=8

y=8/-4

y=-2

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