20=5(w+7)-8w

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Solution for 20=5(w+7)-8w equation: 



20=5(w+7)-8w

We move all terms to the left:

20-(5(w+7)-8w)=0



We calculate terms in parentheses: -(5(w+7)-8w), so:

5(w+7)-8w

We add all the numbers together, and all the variables

-8w+5(w+7)

We multiply parentheses

-8w+5w+35

We add all the numbers together, and all the variables

-3w+35

Back to the equation:

-(-3w+35)



We get rid of parentheses

3w-35+20=0

We add all the numbers together, and all the variables

3w-15=0

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

3w=15

w=15/3

w=5

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