-7y=5(8-y)

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Solution for -7y=5(8-y) equation: 



-7y=5(8-y)

We move all terms to the left:

-7y-(5(8-y))=0

We add all the numbers together, and all the variables

-7y-(5(-1y+8))=0



We calculate terms in parentheses: -(5(-1y+8)), so:

5(-1y+8)

We multiply parentheses

-5y+40

Back to the equation:

-(-5y+40)



We get rid of parentheses

-7y+5y-40=0

We add all the numbers together, and all the variables

-2y-40=0

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

-2y=40

y=40/-2

y=-20

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