9*9-4=-36

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Solution for 9*9-4=-36 equation: 


Simplifying
9 * 9 + -4 = -36

Multiply 9 * 9
81 + -4 = -36

Combine like terms: 81 + -4 = 77
77 = -36

Solving
77 = -36

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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