15-(-7)+9=

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Solution for 15-(-7)+9= equation: 


Simplifying
15 + -1(-7) + 9 = 0

Multiply -1 * -7
15 + 7 + 9 = 0

Combine like terms: 15 + 7 = 22
22 + 9 = 0

Combine like terms: 22 + 9 = 31
31 = 0

Solving
31 = 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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