7x-x^3=18

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Solution for 7x-x^3=18 equation: 


Simplifying
7x + -1x3 = 18

Solving
7x + -1x3 = 18

Solving for variable 'x'.

Reorder the terms:
-18 + 7x + -1x3 = 18 + -18

Combine like terms: 18 + -18 = 0
-18 + 7x + -1x3 = 0

The solution to this equation could not be determined.

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