-9=-7y+2(y+8)

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Solution for -9=-7y+2(y+8) equation: 



-9=-7y+2(y+8)

We move all terms to the left:

-9-(-7y+2(y+8))=0



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

-7y+2(y+8)

We multiply parentheses

-7y+2y+16

We add all the numbers together, and all the variables

-5y+16

Back to the equation:

-(-5y+16)



We get rid of parentheses

5y-16-9=0

We add all the numbers together, and all the variables

5y-25=0

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

5y=25

y=25/5

y=5

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