15+9-3=

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Solution for 15+9-3= equation: 


Simplifying
15 + 9 + -3 = 0

Combine like terms: 15 + 9 = 24
24 + -3 = 0

Combine like terms: 24 + -3 = 21
21 = 0

Solving
21 = 0

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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