9+2-2=7

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Solution for 9+2-2=7 equation: 


Simplifying
9 + 2 + -2 = 7

Combine like terms: 9 + 2 = 11
11 + -2 = 7

Combine like terms: 11 + -2 = 9
9 = 7

Solving
9 = 7

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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