-15=-3w+6(w-7)

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Solution for -15=-3w+6(w-7) equation: 



-15=-3w+6(w-7)

We move all terms to the left:

-15-(-3w+6(w-7))=0



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

-3w+6(w-7)

We multiply parentheses

-3w+6w-42

We add all the numbers together, and all the variables

3w-42

Back to the equation:

-(3w-42)



We get rid of parentheses

-3w+42-15=0

We add all the numbers together, and all the variables

-3w+27=0

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

-3w=-27

w=-27/-3

w=+9

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