4-7=9

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Solution for 4-7=9 equation: 


Simplifying
4 + -7 = 9

Combine like terms: 4 + -7 = -3
-3 = 9

Solving
-3 = 9

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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