b-9b=-4(b-3)-2(-6+b)

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Solution for b-9b=-4(b-3)-2(-6+b) equation: 



b-9b=-4(b-3)-2(-6+b)

We move all terms to the left:

b-9b-(-4(b-3)-2(-6+b))=0

We add all the numbers together, and all the variables

b-9b-(-4(b-3)-2(b-6))=0

We add all the numbers together, and all the variables

-8b-(-4(b-3)-2(b-6))=0



We calculate terms in parentheses: -(-4(b-3)-2(b-6)), so:

-4(b-3)-2(b-6)

We multiply parentheses

-4b-2b+12+12

We add all the numbers together, and all the variables

-6b+24

Back to the equation:

-(-6b+24)



We get rid of parentheses

-8b+6b-24=0

We add all the numbers together, and all the variables

-2b-24=0

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

-2b=24

b=24/-2

b=-12

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