15=6-9*-9

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Solution for 15=6-9*-9 equation: 


Simplifying
15 = 6 + -9 * -9

Multiply -9 * -9
15 = 6 + 81

Combine like terms: 6 + 81 = 87
15 = 87

Solving
15 = 87

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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