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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(-5y+3(y+3)), so:

-5y+3(y+3)

We multiply parentheses

-5y+3y+9

We add all the numbers together, and all the variables

-2y+9

Back to the equation:

-(-2y+9)



We get rid of parentheses

2y-9+15=0

We add all the numbers together, and all the variables

2y+6=0

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

2y=-6

y=-6/2

y=-3

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