15=2-4+9

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Solution for 15=2-4+9 equation: 


Simplifying
15 = 2 + -4 + 9

Combine like terms: 2 + -4 = -2
15 = -2 + 9

Combine like terms: -2 + 9 = 7
15 = 7

Solving
15 = 7

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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