9(3b-5)=-7(-5b-7)

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Solution for 9(3b-5)=-7(-5b-7) equation: 



9(3b-5)=-7(-5b-7)

We move all terms to the left:

9(3b-5)-(-7(-5b-7))=0

We multiply parentheses

27b-(-7(-5b-7))-45=0



We calculate terms in parentheses: -(-7(-5b-7)), so:

-7(-5b-7)

We multiply parentheses

35b+49

Back to the equation:

-(35b+49)



We get rid of parentheses

27b-35b-49-45=0

We add all the numbers together, and all the variables

-8b-94=0

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

-8b=94

b=94/-8

b=-11+3/4

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