84=2(2w-9)+2(w)

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Solution for 84=2(2w-9)+2(w) equation: 



84=2(2w-9)+2(w)

We move all terms to the left:

84-(2(2w-9)+2(w))=0



We calculate terms in parentheses: -(2(2w-9)+2w), so:

2(2w-9)+2w

We add all the numbers together, and all the variables

2w+2(2w-9)

We multiply parentheses

2w+4w-18

We add all the numbers together, and all the variables

6w-18

Back to the equation:

-(6w-18)



We get rid of parentheses

-6w+18+84=0

We add all the numbers together, and all the variables

-6w+102=0

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

-6w=-102

w=-102/-6

w=+17

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