4-2n+2n=7

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Solution for 4-2n+2n=7 equation: 


Simplifying
4 + -2n + 2n = 7

Combine like terms: -2n + 2n = 0
4 + 0 = 7
4 = 7

Solving
4 = 7

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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