12-4b=4-2b

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



12-4b=4-2b

We move all terms to the left:

12-4b-(4-2b)=0

We add all the numbers together, and all the variables

-4b-(-2b+4)+12=0

We get rid of parentheses

-4b+2b-4+12=0

We add all the numbers together, and all the variables

-2b+8=0

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

-2b=-8

b=-8/-2

b=+4

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