-30=2(w-7)-4w

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Solution for -30=2(w-7)-4w equation: 



-30=2(w-7)-4w

We move all terms to the left:

-30-(2(w-7)-4w)=0



We calculate terms in parentheses: -(2(w-7)-4w), so:

2(w-7)-4w

We add all the numbers together, and all the variables

-4w+2(w-7)

We multiply parentheses

-4w+2w-14

We add all the numbers together, and all the variables

-2w-14

Back to the equation:

-(-2w-14)



We get rid of parentheses

2w+14-30=0

We add all the numbers together, and all the variables

2w-16=0

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

2w=16

w=16/2

w=8

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