-12=6(w+7)+3w

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Solution for -12=6(w+7)+3w equation: 



-12=6(w+7)+3w

We move all terms to the left:

-12-(6(w+7)+3w)=0



We calculate terms in parentheses: -(6(w+7)+3w), so:

6(w+7)+3w

We add all the numbers together, and all the variables

3w+6(w+7)

We multiply parentheses

3w+6w+42

We add all the numbers together, and all the variables

9w+42

Back to the equation:

-(9w+42)



We get rid of parentheses

-9w-42-12=0

We add all the numbers together, and all the variables

-9w-54=0

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

-9w=54

w=54/-9

w=-6

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