2y-4+4=2y

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Solution for 2y-4+4=2y equation: 


Simplifying
2y + -4 + 4 = 2y

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

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

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

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

Combine like terms: 2y + -2y = 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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