2x-2x=4

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Solution for 2x-2x=4 equation: 


Simplifying
2x + -2x = 4

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

Solving
0 = 4

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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