7(1+5b)-b=109

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Solution for 7(1+5b)-b=109 equation: 



7(1+5b)-b=109

We move all terms to the left:

7(1+5b)-b-(109)=0

We add all the numbers together, and all the variables

7(5b+1)-b-109=0

We add all the numbers together, and all the variables

-1b+7(5b+1)-109=0

We multiply parentheses

-1b+35b+7-109=0

We add all the numbers together, and all the variables

34b-102=0

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

34b=102

b=102/34

b=3

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