b-1=7-7b

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Solution for b-1=7-7b equation: 



b-1=7-7b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

b+7b-7-1=0

We add all the numbers together, and all the variables

8b-8=0

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

8b=8

b=8/8

b=1

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