9=3(w+7)

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



9=3(w+7)

We move all terms to the left:

9-(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

-3w-21+9=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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