9y-15=3(y+3)

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



9y-15=3(y+3)

We move all terms to the left:

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



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

3(y+3)

We multiply parentheses

3y+9

Back to the equation:

-(3y+9)



We get rid of parentheses

9y-3y-9-15=0

We add all the numbers together, and all the variables

6y-24=0

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

6y=24

y=24/6

y=4

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