12-7b+11=-5(-b-1)-2(3+8b)

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Solution for 12-7b+11=-5(-b-1)-2(3+8b) equation: 



12-7b+11=-5(-b-1)-2(3+8b)

We move all terms to the left:

12-7b+11-(-5(-b-1)-2(3+8b))=0

We add all the numbers together, and all the variables

-7b-(-5(-1b-1)-2(8b+3))+12+11=0

We add all the numbers together, and all the variables

-7b-(-5(-1b-1)-2(8b+3))+23=0



We calculate terms in parentheses: -(-5(-1b-1)-2(8b+3)), so:

-5(-1b-1)-2(8b+3)

We multiply parentheses

5b-16b+5-6

We add all the numbers together, and all the variables

-11b-1

Back to the equation:

-(-11b-1)



We get rid of parentheses

-7b+11b+1+23=0

We add all the numbers together, and all the variables

4b+24=0

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

4b=-24

b=-24/4

b=-6

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