3+x=x^3+21

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Solution for 3+x=x^3+21 equation: 


Simplifying
3 + x = x3 + 21

Reorder the terms:
3 + x = 21 + x3

Solving
3 + x = 21 + x3

Solving for variable 'x'.

Reorder the terms:
3 + -21 + x + -1x3 = 21 + x3 + -21 + -1x3

Combine like terms: 3 + -21 = -18
-18 + x + -1x3 = 21 + x3 + -21 + -1x3

Reorder the terms:
-18 + x + -1x3 = 21 + -21 + x3 + -1x3

Combine like terms: 21 + -21 = 0
-18 + x + -1x3 = 0 + x3 + -1x3
-18 + x + -1x3 = x3 + -1x3

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

The solution to this equation could not be determined.

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