3(1+7b)=-17+b

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Solution for 3(1+7b)=-17+b equation: 



3(1+7b)=-17+b

We move all terms to the left:

3(1+7b)-(-17+b)=0

We add all the numbers together, and all the variables

3(7b+1)-(b-17)=0

We multiply parentheses

21b-(b-17)+3=0

We get rid of parentheses

21b-b+17+3=0

We add all the numbers together, and all the variables

20b+20=0

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

20b=-20

b=-20/20

b=-1

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