-40-20=

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Solution for -40-20= equation: 


Simplifying
-40 + -20 = 0

Combine like terms: -40 + -20 = -60
-60 = 0

Solving
-60 = 0

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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