-9=2+1

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Solution for -9=2+1 equation: 


Simplifying
-9 = 2 + 1

Combine like terms: 2 + 1 = 3
-9 = 3

Solving
-9 = 3

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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