13-7+9=

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Solution for 13-7+9= equation: 


Simplifying
13 + -7 + 9 = 0

Combine like terms: 13 + -7 = 6
6 + 9 = 0

Combine like terms: 6 + 9 = 15
15 = 0

Solving
15 = 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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