81-4*9=

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Solution for 81-4*9= equation: 


Simplifying
81 + -4 * 9 = 0

Multiply -4 * 9
81 + -36 = 0

Combine like terms: 81 + -36 = 45
45 = 0

Solving
45 = 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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