-3b+6=12-b

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Solution for -3b+6=12-b equation: 



-3b+6=12-b

We move all terms to the left:

-3b+6-(12-b)=0

We add all the numbers together, and all the variables

-3b-(-1b+12)+6=0

We get rid of parentheses

-3b+1b-12+6=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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