-12=-2(b-2)

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Solution for -12=-2(b-2) equation: 



-12=-2(b-2)

We move all terms to the left:

-12-(-2(b-2))=0



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

-2(b-2)

We multiply parentheses

-2b+4

Back to the equation:

-(-2b+4)



We get rid of parentheses

2b-4-12=0

We add all the numbers together, and all the variables

2b-16=0

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

2b=16

b=16/2

b=8

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