12-4a=18-6a

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Solution for 12-4a=18-6a equation: 



12-4a=18-6a

We move all terms to the left:

12-4a-(18-6a)=0

We add all the numbers together, and all the variables

-4a-(-6a+18)+12=0

We get rid of parentheses

-4a+6a-18+12=0

We add all the numbers together, and all the variables

2a-6=0

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

2a=6

a=6/2

a=3

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