12+8b=-4(-2b-3)

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Solution for 12+8b=-4(-2b-3) equation: 



12+8b=-4(-2b-3)

We move all terms to the left:

12+8b-(-4(-2b-3))=0



We calculate terms in parentheses: -(-4(-2b-3)), so:

-4(-2b-3)

We multiply parentheses

8b+12

Back to the equation:

-(8b+12)



We get rid of parentheses

8b-8b-12+12=0

We add all the numbers together, and all the variables

=0

b=0/1

b=0

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