-2b+3=b-9

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Solution for -2b+3=b-9 equation: 



-2b+3=b-9

We move all terms to the left:

-2b+3-(b-9)=0

We get rid of parentheses

-2b-b+9+3=0

We add all the numbers together, and all the variables

-3b+12=0

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

-3b=-12

b=-12/-3

b=+4

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