-5-7(1+3b)=-117

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Solution for -5-7(1+3b)=-117 equation: 



-5-7(1+3b)=-117

We move all terms to the left:

-5-7(1+3b)-(-117)=0

We add all the numbers together, and all the variables

-7(3b+1)-5-(-117)=0

We add all the numbers together, and all the variables

-7(3b+1)+112=0

We multiply parentheses

-21b-7+112=0

We add all the numbers together, and all the variables

-21b+105=0

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

-21b=-105

b=-105/-21

b=+5

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