-3y+15=9(y+5)

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Solution for -3y+15=9(y+5) equation: 



-3y+15=9(y+5)

We move all terms to the left:

-3y+15-(9(y+5))=0



We calculate terms in parentheses: -(9(y+5)), so:

9(y+5)

We multiply parentheses

9y+45

Back to the equation:

-(9y+45)



We get rid of parentheses

-3y-9y-45+15=0

We add all the numbers together, and all the variables

-12y-30=0

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

-12y=30

y=30/-12

y=-2+1/2

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