21=x^3

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Solution for 21=x^3 equation:


Simplifying
21 = x3

Solving
21 = x3

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x3' to each side of the equation.
21 + -1x3 = x3 + -1x3

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

Add '-21' to each side of the equation.
21 + -21 + -1x3 = 0 + -21

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

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

Divide each side by '-1'.
x3 = 21

Simplifying
x3 = 21

Reorder the terms:
-21 + x3 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + x3 = 0

The solution to this equation could not be determined.

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