3w-31=-2(3-4w)

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Solution for 3w-31=-2(3-4w) equation: 



3w-31=-2(3-4w)

We move all terms to the left:

3w-31-(-2(3-4w))=0

We add all the numbers together, and all the variables

3w-(-2(-4w+3))-31=0



We calculate terms in parentheses: -(-2(-4w+3)), so:

-2(-4w+3)

We multiply parentheses

8w-6

Back to the equation:

-(8w-6)



We get rid of parentheses

3w-8w+6-31=0

We add all the numbers together, and all the variables

-5w-25=0

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

-5w=25

w=25/-5

w=-5

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