20=5w+2(w-4)

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Solution for 20=5w+2(w-4) equation: 



20=5w+2(w-4)

We move all terms to the left:

20-(5w+2(w-4))=0



We calculate terms in parentheses: -(5w+2(w-4)), so:

5w+2(w-4)

We multiply parentheses

5w+2w-8

We add all the numbers together, and all the variables

7w-8

Back to the equation:

-(7w-8)



We get rid of parentheses

-7w+8+20=0

We add all the numbers together, and all the variables

-7w+28=0

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

-7w=-28

w=-28/-7

w=+4

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