20=5(4b-4)

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Solution for 20=5(4b-4) equation: 



20=5(4b-4)

We move all terms to the left:

20-(5(4b-4))=0



We calculate terms in parentheses: -(5(4b-4)), so:

5(4b-4)

We multiply parentheses

20b-20

Back to the equation:

-(20b-20)



We get rid of parentheses

-20b+20+20=0

We add all the numbers together, and all the variables

-20b+40=0

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

-20b=-40

b=-40/-20

b=+2

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