-4b+2(1+7b)=82

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Solution for -4b+2(1+7b)=82 equation: 



-4b+2(1+7b)=82

We move all terms to the left:

-4b+2(1+7b)-(82)=0

We add all the numbers together, and all the variables

-4b+2(7b+1)-82=0

We multiply parentheses

-4b+14b+2-82=0

We add all the numbers together, and all the variables

10b-80=0

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

10b=80

b=80/10

b=8

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