3b+15=8b-4

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



3b+15=8b-4

We move all terms to the left:

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

We get rid of parentheses

3b-8b+4+15=0

We add all the numbers together, and all the variables

-5b+19=0

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

-5b=-19

b=-19/-5

b=3+4/5

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