20=2(w-5)-7w

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Solution for 20=2(w-5)-7w equation: 



20=2(w-5)-7w

We move all terms to the left:

20-(2(w-5)-7w)=0



We calculate terms in parentheses: -(2(w-5)-7w), so:

2(w-5)-7w

We add all the numbers together, and all the variables

-7w+2(w-5)

We multiply parentheses

-7w+2w-10

We add all the numbers together, and all the variables

-5w-10

Back to the equation:

-(-5w-10)



We get rid of parentheses

5w+10+20=0

We add all the numbers together, and all the variables

5w+30=0

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

5w=-30

w=-30/5

w=-6

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