3-7=-28

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Solution for 3-7=-28 equation: 


Simplifying
3 + -7 = -28

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

Solving
-4 = -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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