-4+7=-28

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Solution for -4+7=-28 equation: 


Simplifying
-4 + 7 = -28

Combine like terms: -4 + 7 = 3
3 = -28

Solving
3 = -28

Couldn't find a variable to solve for.

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

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