15+5b=6(2b-1)

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Solution for 15+5b=6(2b-1) equation: 



15+5b=6(2b-1)

We move all terms to the left:

15+5b-(6(2b-1))=0



We calculate terms in parentheses: -(6(2b-1)), so:

6(2b-1)

We multiply parentheses

12b-6

Back to the equation:

-(12b-6)



We get rid of parentheses

5b-12b+6+15=0

We add all the numbers together, and all the variables

-7b+21=0

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

-7b=-21

b=-21/-7

b=+3

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