2b-7(3+b)=1b+3

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Solution for 2b-7(3+b)=1b+3 equation: 



2b-7(3+b)=1b+3

We move all terms to the left:

2b-7(3+b)-(1b+3)=0

We add all the numbers together, and all the variables

2b-7(b+3)-(b+3)=0

We multiply parentheses

2b-7b-(b+3)-21=0

We get rid of parentheses

2b-7b-b-3-21=0

We add all the numbers together, and all the variables

-6b-24=0

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

-6b=24

b=24/-6

b=-4

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