-7+4=84

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Solution for -7+4=84 equation:


-7+4=84

We simplify the equation to the form, which is simple to understand 
-7+4=84

We move all terms containing  to the left and all other terms to the right. 
0=+84+7-4

We simplify left and right side of the equation. 
0=+87

0=87

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

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