20=4(2+w)

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



20=4(2+w)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

4(w+2)

We multiply parentheses

4w+8

Back to the equation:

-(4w+8)



We get rid of parentheses

-4w-8+20=0

We add all the numbers together, and all the variables

-4w+12=0

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

-4w=-12

w=-12/-4

w=+3

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