9=(1+7b)

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Solution for 9=(1+7b) equation: 



9=(1+7b)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -((7b+1)), so:

(7b+1)

We get rid of parentheses

7b+1

Back to the equation:

-(7b+1)



We get rid of parentheses

-7b-1+9=0

We add all the numbers together, and all the variables

-7b+8=0

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

-7b=-8

b=-8/-7

b=1+1/7

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