-1=9-2

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Solution for -1=9-2 equation: 


Simplifying
-1 = 9 + -2

Combine like terms: 9 + -2 = 7
-1 = 7

Solving
-1 = 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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