(3b-8)=(7b+4)

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Solution for (3b-8)=(7b+4) equation: 



(3b-8)=(7b+4)

We move all terms to the left:

(3b-8)-((7b+4))=0

We get rid of parentheses

3b-((7b+4))-8=0



We calculate terms in parentheses: -((7b+4)), so:

(7b+4)

We get rid of parentheses

7b+4

Back to the equation:

-(7b+4)



We get rid of parentheses

3b-7b-4-8=0

We add all the numbers together, and all the variables

-4b-12=0

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

-4b=12

b=12/-4

b=-3

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