x+40-20-x=180

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Solution for x+40-20-x=180 equation: 


Simplifying
x + 40 + -20 + -1x = 180

Reorder the terms:
40 + -20 + x + -1x = 180

Combine like terms: 40 + -20 = 20
20 + x + -1x = 180

Combine like terms: x + -1x = 0
20 + 0 = 180
20 = 180

Solving
20 = 180

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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