9y-4=-7(y-4)

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Solution for 9y-4=-7(y-4) equation: 



9y-4=-7(y-4)

We move all terms to the left:

9y-4-(-7(y-4))=0



We calculate terms in parentheses: -(-7(y-4)), so:

-7(y-4)

We multiply parentheses

-7y+28

Back to the equation:

-(-7y+28)



We get rid of parentheses

9y+7y-28-4=0

We add all the numbers together, and all the variables

16y-32=0

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

16y=32

y=32/16

y=2

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