-20=2+-9

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Solution for -20=2+-9 equation: 


Simplifying
-20 = 2 + -9

Combine like terms: 2 + -9 = -7
-20 = -7

Solving
-20 = -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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