12=2(b+4)

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Solution for 12=2(b+4) equation: 



12=2(b+4)

We move all terms to the left:

12-(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+12=0

We add all the numbers together, and all the variables

-2b+4=0

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

-2b=-4

b=-4/-2

b=+2

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