x-2x+x=7

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Solution for x-2x+x=7 equation: 


Simplifying
x + -2x + x = 7

Combine like terms: x + -2x = -1x
-1x + x = 7

Combine like terms: -1x + x = 0
0 = 7

Solving
0 = 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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