20+100-40=

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Solution for 20+100-40= equation: 


Simplifying
20 + 100 + -40 = 0

Combine like terms: 20 + 100 = 120
120 + -40 = 0

Combine like terms: 120 + -40 = 80
80 = 0

Solving
80 = 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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