7(b-1)=3b+1

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



7(b-1)=3b+1

We move all terms to the left:

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

We multiply parentheses

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

We get rid of parentheses

7b-3b-1-7=0

We add all the numbers together, and all the variables

4b-8=0

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

4b=8

b=8/4

b=2

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