-1+2=4

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Solution for -1+2=4 equation:


-1+2=4

We simplify the equation to the form, which is simple to understand 
-1+2=4

We move all terms containing  to the left and all other terms to the right. 
0=+4+1-2

We simplify left and right side of the equation. 
0=+3

0=3

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

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