-3a+4a-a+7=

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Solution for -3a+4a-a+7= equation:


-3a+4a-a+7=0

We simplify the equation to the form, which is simple to understand 
-3a+4a-a+7=0

We move all terms containing a to the left and all other terms to the right. 
-3a+4a-1a=0-7

We simplify left and right side of the equation. 
a=-7

0=-7

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

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