12-2=9

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Solution for 12-2=9 equation:


12-2=9

We simplify the equation to the form, which is simple to understand 
12-2=9

We move all terms containing  to the left and all other terms to the right. 
0=+9-12+2

We simplify left and right side of the equation. 
0=-1

0=-1

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

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