20=2(w+2)-4w

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



20=2(w+2)-4w

We move all terms to the left:

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



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

2(w+2)-4w

We add all the numbers together, and all the variables

-4w+2(w+2)

We multiply parentheses

-4w+2w+4

We add all the numbers together, and all the variables

-2w+4

Back to the equation:

-(-2w+4)



We get rid of parentheses

2w-4+20=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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