2b+4b-1=-7+8b

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Solution for 2b+4b-1=-7+8b equation: 



2b+4b-1=-7+8b

We move all terms to the left:

2b+4b-1-(-7+8b)=0

We add all the numbers together, and all the variables

2b+4b-(8b-7)-1=0

We add all the numbers together, and all the variables

6b-(8b-7)-1=0

We get rid of parentheses

6b-8b+7-1=0

We add all the numbers together, and all the variables

-2b+6=0

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

-2b=-6

b=-6/-2

b=+3

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