-27=-3(-4b+1)-3(b-4)

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Solution for -27=-3(-4b+1)-3(b-4) equation: 



-27=-3(-4b+1)-3(b-4)

We move all terms to the left:

-27-(-3(-4b+1)-3(b-4))=0



We calculate terms in parentheses: -(-3(-4b+1)-3(b-4)), so:

-3(-4b+1)-3(b-4)

We multiply parentheses

12b-3b-3+12

We add all the numbers together, and all the variables

9b+9

Back to the equation:

-(9b+9)



We get rid of parentheses

-9b-9-27=0

We add all the numbers together, and all the variables

-9b-36=0

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

-9b=36

b=36/-9

b=-4

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