-4(-9+4b)=-5(-6+6b)+8b

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Solution for -4(-9+4b)=-5(-6+6b)+8b equation: 



-4(-9+4b)=-5(-6+6b)+8b

We move all terms to the left:

-4(-9+4b)-(-5(-6+6b)+8b)=0

We add all the numbers together, and all the variables

-4(4b-9)-(-5(6b-6)+8b)=0

We multiply parentheses

-16b-(-5(6b-6)+8b)+36=0



We calculate terms in parentheses: -(-5(6b-6)+8b), so:

-5(6b-6)+8b

We add all the numbers together, and all the variables

8b-5(6b-6)

We multiply parentheses

8b-30b+30

We add all the numbers together, and all the variables

-22b+30

Back to the equation:

-(-22b+30)



We get rid of parentheses

-16b+22b-30+36=0

We add all the numbers together, and all the variables

6b+6=0

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

6b=-6

b=-6/6

b=-1

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