18=-7w+3(w+2)

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Solution for 18=-7w+3(w+2) equation: 



18=-7w+3(w+2)

We move all terms to the left:

18-(-7w+3(w+2))=0



We calculate terms in parentheses: -(-7w+3(w+2)), so:

-7w+3(w+2)

We multiply parentheses

-7w+3w+6

We add all the numbers together, and all the variables

-4w+6

Back to the equation:

-(-4w+6)



We get rid of parentheses

4w-6+18=0

We add all the numbers together, and all the variables

4w+12=0

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

4w=-12

w=-12/4

w=-3

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