15=-5(y-9)

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



15=-5(y-9)

We move all terms to the left:

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



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

-5(y-9)

We multiply parentheses

-5y+45

Back to the equation:

-(-5y+45)



We get rid of parentheses

5y-45+15=0

We add all the numbers together, and all the variables

5y-30=0

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

5y=30

y=30/5

y=6

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