(13b-9)=(3b+4)

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Solution for (13b-9)=(3b+4) equation: 



(13b-9)=(3b+4)

We move all terms to the left:

(13b-9)-((3b+4))=0

We get rid of parentheses

13b-((3b+4))-9=0



We calculate terms in parentheses: -((3b+4)), so:

(3b+4)

We get rid of parentheses

3b+4

Back to the equation:

-(3b+4)



We get rid of parentheses

13b-3b-4-9=0

We add all the numbers together, and all the variables

10b-13=0

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

10b=13

b=13/10

b=1+3/10

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