9-6b=-8b-7(7b+6)

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Solution for 9-6b=-8b-7(7b+6) equation: 



9-6b=-8b-7(7b+6)

We move all terms to the left:

9-6b-(-8b-7(7b+6))=0



We calculate terms in parentheses: -(-8b-7(7b+6)), so:

-8b-7(7b+6)

We multiply parentheses

-8b-49b-42

We add all the numbers together, and all the variables

-57b-42

Back to the equation:

-(-57b-42)



We get rid of parentheses

-6b+57b+42+9=0

We add all the numbers together, and all the variables

51b+51=0

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

51b=-51

b=-51/51

b=-1

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