9=72-132-21

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Solution for 9=72-132-21 equation: 


Simplifying
9 = 72 + -132 + -21

Combine like terms: 72 + -132 = -60
9 = -60 + -21

Combine like terms: -60 + -21 = -81
9 = -81

Solving
9 = -81

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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