7w=-(2w-18)

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



7w=-(2w-18)

We move all terms to the left:

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



We calculate terms in parentheses: -(-(2w-18)), so:

-(2w-18)

We get rid of parentheses

-2w+18

Back to the equation:

-(-2w+18)



We get rid of parentheses

7w+2w-18=0

We add all the numbers together, and all the variables

9w-18=0

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

9w=18

w=18/9

w=2

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