12+b-4b=2b-2b

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Solution for 12+b-4b=2b-2b equation:



12+b-4b=2b-2b
We move all terms to the left:
12+b-4b-(2b-2b)=0
We add all the numbers together, and all the variables
b-4b+12-0=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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