2x-4=2x-4

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Solution for 2x-4=2x-4 equation: 


Simplifying
2x + -4 = 2x + -4

Reorder the terms:
-4 + 2x = 2x + -4

Reorder the terms:
-4 + 2x = -4 + 2x

Add '4' to each side of the equation.
-4 + 4 + 2x = -4 + 4 + 2x

Combine like terms: -4 + 4 = 0
0 + 2x = -4 + 4 + 2x
2x = -4 + 4 + 2x

Combine like terms: -4 + 4 = 0
2x = 0 + 2x
2x = 2x

Add '-2x' to each side of the equation.
2x + -2x = 2x + -2x

Combine like terms: 2x + -2x = 0
0 = 2x + -2x

Combine like terms: 2x + -2x = 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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