21=6x^3+5

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Solution for 21=6x^3+5 equation:


Simplifying
21 = 6x3 + 5

Reorder the terms:
21 = 5 + 6x3

Solving
21 = 5 + 6x3

Solving for variable 'x'.

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

Add '-6x3' to each side of the equation.
21 + -6x3 = 5 + 6x3 + -6x3

Combine like terms: 6x3 + -6x3 = 0
21 + -6x3 = 5 + 0
21 + -6x3 = 5

Add '-21' to each side of the equation.
21 + -21 + -6x3 = 5 + -21

Combine like terms: 21 + -21 = 0
0 + -6x3 = 5 + -21
-6x3 = 5 + -21

Combine like terms: 5 + -21 = -16
-6x3 = -16

Divide each side by '-6'.
x3 = 2.666666667

Simplifying
x3 = 2.666666667

Reorder the terms:
-2.666666667 + x3 = 2.666666667 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
-2.666666667 + x3 = 0.000000000

The solution to this equation could not be determined.

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