-9y-25=-7(y+1)

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Solution for -9y-25=-7(y+1) equation: 



-9y-25=-7(y+1)

We move all terms to the left:

-9y-25-(-7(y+1))=0



We calculate terms in parentheses: -(-7(y+1)), so:

-7(y+1)

We multiply parentheses

-7y-7

Back to the equation:

-(-7y-7)



We get rid of parentheses

-9y+7y+7-25=0

We add all the numbers together, and all the variables

-2y-18=0

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

-2y=18

y=18/-2

y=-9

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