4=-2(b-8)

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Solution for 4=-2(b-8) equation: 



4=-2(b-8)

We move all terms to the left:

4-(-2(b-8))=0



We calculate terms in parentheses: -(-2(b-8)), so:

-2(b-8)

We multiply parentheses

-2b+16

Back to the equation:

-(-2b+16)



We get rid of parentheses

2b-16+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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