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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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



We calculate terms in parentheses: -(2(w-20)), so:

2(w-20)

We multiply parentheses

2w-40

Back to the equation:

-(2w-40)



We get rid of parentheses

-2w-2w+40-4=0

We add all the numbers together, and all the variables

-4w+36=0

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

-4w=-36

w=-36/-4

w=+9

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