4-7=-15

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Solution for 4-7=-15 equation: 


Simplifying
4 + -7 = -15

Combine like terms: 4 + -7 = -3
-3 = -15

Solving
-3 = -15

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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