15=3(w+9)

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Solution for 15=3(w+9) equation: 



15=3(w+9)

We move all terms to the left:

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



We calculate terms in parentheses: -(3(w+9)), so:

3(w+9)

We multiply parentheses

3w+27

Back to the equation:

-(3w+27)



We get rid of parentheses

-3w-27+15=0

We add all the numbers together, and all the variables

-3w-12=0

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

-3w=12

w=12/-3

w=-4

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