9w+15=3(w-7)

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Solution for 9w+15=3(w-7) equation: 



9w+15=3(w-7)

We move all terms to the left:

9w+15-(3(w-7))=0



We calculate terms in parentheses: -(3(w-7)), so:

3(w-7)

We multiply parentheses

3w-21

Back to the equation:

-(3w-21)



We get rid of parentheses

9w-3w+21+15=0

We add all the numbers together, and all the variables

6w+36=0

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

6w=-36

w=-36/6

w=-6

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