8b=3(4b-1)+15

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Solution for 8b=3(4b-1)+15 equation: 



8b=3(4b-1)+15

We move all terms to the left:

8b-(3(4b-1)+15)=0



We calculate terms in parentheses: -(3(4b-1)+15), so:

3(4b-1)+15

We multiply parentheses

12b-3+15

We add all the numbers together, and all the variables

12b+12

Back to the equation:

-(12b+12)



We get rid of parentheses

8b-12b-12=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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