4=2(b-4)

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Solution for 4=2(b-4) equation: 



4=2(b-4)

We move all terms to the left:

4-(2(b-4))=0



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

2(b-4)

We multiply parentheses

2b-8

Back to the equation:

-(2b-8)



We get rid of parentheses

-2b+8+4=0

We add all the numbers together, and all the variables

-2b+12=0

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

-2b=-12

b=-12/-2

b=+6

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