-12=-2+2b

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Solution for -12=-2+2b equation: 



-12=-2+2b

We move all terms to the left:

-12-(-2+2b)=0

We add all the numbers together, and all the variables

-(2b-2)-12=0

We get rid of parentheses

-2b+2-12=0

We add all the numbers together, and all the variables

-2b-10=0

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

-2b=10

b=10/-2

b=-5

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