-9y-30=-3(y-4)

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Solution for -9y-30=-3(y-4) equation: 



-9y-30=-3(y-4)

We move all terms to the left:

-9y-30-(-3(y-4))=0



We calculate terms in parentheses: -(-3(y-4)), so:

-3(y-4)

We multiply parentheses

-3y+12

Back to the equation:

-(-3y+12)



We get rid of parentheses

-9y+3y-12-30=0

We add all the numbers together, and all the variables

-6y-42=0

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

-6y=42

y=42/-6

y=-7

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