6b-6b+12=-7b+3b

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Solution for 6b-6b+12=-7b+3b equation: 



6b-6b+12=-7b+3b

We move all terms to the left:

6b-6b+12-(-7b+3b)=0

We add all the numbers together, and all the variables

6b-6b-(-4b)+12=0

We add all the numbers together, and all the variables

-(-4b)+12=0

We get rid of parentheses

4b+12=0

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

4b=-12

b=-12/4

b=-3

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