b+4=2b-

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Solution for b+4=2b- equation: 



b+4=2b-

We move all terms to the left:

b+4-(2b-)=0

We add all the numbers together, and all the variables

b-(+2b)+4=0

We get rid of parentheses

b-2b+4=0

We add all the numbers together, and all the variables

-1b+4=0

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

-b=-4

b=-4/-1

b=+4

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