7(1+2b)=-91

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Solution for 7(1+2b)=-91 equation: 



7(1+2b)=-91

We move all terms to the left:

7(1+2b)-(-91)=0

We add all the numbers together, and all the variables

7(2b+1)-(-91)=0

We add all the numbers together, and all the variables

7(2b+1)+91=0

We multiply parentheses

14b+7+91=0

We add all the numbers together, and all the variables

14b+98=0

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

14b=-98

b=-98/14

b=-7

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