-6(1+7b)=-90

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Solution for -6(1+7b)=-90 equation: 



-6(1+7b)=-90

We move all terms to the left:

-6(1+7b)-(-90)=0

We add all the numbers together, and all the variables

-6(7b+1)-(-90)=0

We add all the numbers together, and all the variables

-6(7b+1)+90=0

We multiply parentheses

-42b-6+90=0

We add all the numbers together, and all the variables

-42b+84=0

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

-42b=-84

b=-84/-42

b=+2

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