9w+12=4(w-7)

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Solution for 9w+12=4(w-7) equation: 



9w+12=4(w-7)

We move all terms to the left:

9w+12-(4(w-7))=0



We calculate terms in parentheses: -(4(w-7)), so:

4(w-7)

We multiply parentheses

4w-28

Back to the equation:

-(4w-28)



We get rid of parentheses

9w-4w+28+12=0

We add all the numbers together, and all the variables

5w+40=0

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

5w=-40

w=-40/5

w=-8

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