b+7=9b-1

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Solution for b+7=9b-1 equation: 



b+7=9b-1

We move all terms to the left:

b+7-(9b-1)=0

We get rid of parentheses

b-9b+1+7=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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