-y-4=8+7y

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Solution for -y-4=8+7y equation: 



-y-4=8+7y

We move all terms to the left:

-y-4-(8+7y)=0

We add all the numbers together, and all the variables

-y-(7y+8)-4=0

We add all the numbers together, and all the variables

-1y-(7y+8)-4=0

We get rid of parentheses

-1y-7y-8-4=0

We add all the numbers together, and all the variables

-8y-12=0

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

-8y=12

y=12/-8

y=-1+1/2

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