-12=2+7b

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Solution for -12=2+7b equation: 



-12=2+7b

We move all terms to the left:

-12-(2+7b)=0

We add all the numbers together, and all the variables

-(7b+2)-12=0

We get rid of parentheses

-7b-2-12=0

We add all the numbers together, and all the variables

-7b-14=0

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

-7b=14

b=14/-7

b=-2

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