-2b-3b-15=6-8b

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Solution for -2b-3b-15=6-8b equation: 



-2b-3b-15=6-8b

We move all terms to the left:

-2b-3b-15-(6-8b)=0

We add all the numbers together, and all the variables

-2b-3b-(-8b+6)-15=0

We add all the numbers together, and all the variables

-5b-(-8b+6)-15=0

We get rid of parentheses

-5b+8b-6-15=0

We add all the numbers together, and all the variables

3b-21=0

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

3b=21

b=21/3

b=7

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