12-1.5a=3a

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Solution for 12-1.5a=3a equation: 



12-1.5a=3a

We move all terms to the left:

12-1.5a-(3a)=0

We add all the numbers together, and all the variables

-4.5a+12=0

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

-4.5a=-12

a=-12/-4.5

a=2+3/4.5

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