(7-x)+9+x=72

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Solution for (7-x)+9+x=72 equation: 


Simplifying
(7 + -1x) + 9 + x = 72

Remove parenthesis around (7 + -1x)
7 + -1x + 9 + x = 72

Reorder the terms:
7 + 9 + -1x + x = 72

Combine like terms: 7 + 9 = 16
16 + -1x + x = 72

Combine like terms: -1x + x = 0
16 + 0 = 72
16 = 72

Solving
16 = 72

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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