-20=2(w+4)-6w

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Solution for -20=2(w+4)-6w equation: 



-20=2(w+4)-6w

We move all terms to the left:

-20-(2(w+4)-6w)=0



We calculate terms in parentheses: -(2(w+4)-6w), so:

2(w+4)-6w

We add all the numbers together, and all the variables

-6w+2(w+4)

We multiply parentheses

-6w+2w+8

We add all the numbers together, and all the variables

-4w+8

Back to the equation:

-(-4w+8)



We get rid of parentheses

4w-8-20=0

We add all the numbers together, and all the variables

4w-28=0

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

4w=28

w=28/4

w=7

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