-20=2(w-3)

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Solution for -20=2(w-3) equation: 



-20=2(w-3)

We move all terms to the left:

-20-(2(w-3))=0



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

2(w-3)

We multiply parentheses

2w-6

Back to the equation:

-(2w-6)



We get rid of parentheses

-2w+6-20=0

We add all the numbers together, and all the variables

-2w-14=0

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

-2w=14

w=14/-2

w=-7

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