8b-4=9(b+7)

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Solution for 8b-4=9(b+7) equation: 



8b-4=9(b+7)

We move all terms to the left:

8b-4-(9(b+7))=0



We calculate terms in parentheses: -(9(b+7)), so:

9(b+7)

We multiply parentheses

9b+63

Back to the equation:

-(9b+63)



We get rid of parentheses

8b-9b-63-4=0

We add all the numbers together, and all the variables

-1b-67=0

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

-b=67

b=67/-1

b=-67

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