117=-9(b-5)

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Solution for 117=-9(b-5) equation: 



117=-9(b-5)

We move all terms to the left:

117-(-9(b-5))=0



We calculate terms in parentheses: -(-9(b-5)), so:

-9(b-5)

We multiply parentheses

-9b+45

Back to the equation:

-(-9b+45)



We get rid of parentheses

9b-45+117=0

We add all the numbers together, and all the variables

9b+72=0

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

9b=-72

b=-72/9

b=-8

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