-4y+7=-9(y-3)

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Solution for -4y+7=-9(y-3) equation: 



-4y+7=-9(y-3)

We move all terms to the left:

-4y+7-(-9(y-3))=0



We calculate terms in parentheses: -(-9(y-3)), so:

-9(y-3)

We multiply parentheses

-9y+27

Back to the equation:

-(-9y+27)



We get rid of parentheses

-4y+9y-27+7=0

We add all the numbers together, and all the variables

5y-20=0

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

5y=20

y=20/5

y=4

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