12-4a=5-2a

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Solution for 12-4a=5-2a equation: 



12-4a=5-2a

We move all terms to the left:

12-4a-(5-2a)=0

We add all the numbers together, and all the variables

-4a-(-2a+5)+12=0

We get rid of parentheses

-4a+2a-5+12=0

We add all the numbers together, and all the variables

-2a+7=0

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

-2a=-7

a=-7/-2

a=3+1/2

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