(-1,2)=3

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Solution for (-1,2)=3 equation:


(-1,2)=3

We simplify the equation to the form, which is simple to understand 
(-1,2)=3

Remove unnecessary parentheses
-1,2=3

We move all terms containing  to the left and all other terms to the right. 
0=+3+1.2

We simplify left and right side of the equation. 
0=+4.2

0=4.2

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

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