4a-12=3a-18

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Solution for 4a-12=3a-18 equation: 



4a-12=3a-18

We move all terms to the left:

4a-12-(3a-18)=0

We get rid of parentheses

4a-3a+18-12=0

We add all the numbers together, and all the variables

a+6=0

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

a=-6

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