-7(3b-6)-7b=-30-4b

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Solution for -7(3b-6)-7b=-30-4b equation: 



-7(3b-6)-7b=-30-4b

We move all terms to the left:

-7(3b-6)-7b-(-30-4b)=0

We add all the numbers together, and all the variables

-7(3b-6)-7b-(-4b-30)=0

We add all the numbers together, and all the variables

-7b-7(3b-6)-(-4b-30)=0

We multiply parentheses

-7b-21b-(-4b-30)+42=0

We get rid of parentheses

-7b-21b+4b+30+42=0

We add all the numbers together, and all the variables

-24b+72=0

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

-24b=-72

b=-72/-24

b=+3

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