-1=8y+7(y+2)

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Solution for -1=8y+7(y+2) equation: 



-1=8y+7(y+2)

We move all terms to the left:

-1-(8y+7(y+2))=0



We calculate terms in parentheses: -(8y+7(y+2)), so:

8y+7(y+2)

We multiply parentheses

8y+7y+14

We add all the numbers together, and all the variables

15y+14

Back to the equation:

-(15y+14)



We get rid of parentheses

-15y-14-1=0

We add all the numbers together, and all the variables

-15y-15=0

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

-15y=15

y=15/-15

y=-1

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