X+x^3=84

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Solution for X+x^3=84 equation: 


Simplifying
X + x3 = 84

Solving
X + x3 = 84

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.
X + x3 + -1x3 = 84 + -1x3

Combine like terms: x3 + -1x3 = 0
X + 0 = 84 + -1x3
X = 84 + -1x3

Simplifying
X = 84 + -1x3

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