3a+12-a=2a+6

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Solution for 3a+12-a=2a+6 equation:


3a+12-a=2a+6

We simplify the equation to the form, which is simple to understand 
3a+12-a=2a+6

We move all terms containing a to the left and all other terms to the right. 
+3a-1a-2a=+6-12

We simplify left and right side of the equation. 
a=-6

0=-6

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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