15=3(y-4)

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Solution for 15=3(y-4) equation: 



15=3(y-4)

We move all terms to the left:

15-(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

-3y+12+15=0

We add all the numbers together, and all the variables

-3y+27=0

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

-3y=-27

y=-27/-3

y=+9

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