312=2w+2(2w-9)

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Solution for 312=2w+2(2w-9) equation: 



312=2w+2(2w-9)

We move all terms to the left:

312-(2w+2(2w-9))=0



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

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+312=0

We add all the numbers together, and all the variables

-6w+330=0

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

-6w=-330

w=-330/-6

w=+55

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