20x-40=20x-40

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


Simplifying
20x + -40 = 20x + -40

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

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

Add '40' to each side of the equation.
-40 + 40 + 20x = -40 + 40 + 20x

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

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

Add '-20x' to each side of the equation.
20x + -20x = 20x + -20x

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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