7=2x-2x

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Solution for 7=2x-2x equation: 


Simplifying
7 = 2x + -2x

Combine like terms: 2x + -2x = 0
7 = 0

Solving
7 = 0

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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