X^4+7x^3=18

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Solution for X^4+7x^3=18 equation: 


Simplifying
X4 + 7x3 = 18

Solving
X4 + 7x3 = 18

Solving for variable 'X'.

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

Add '-7x3' to each side of the equation.
X4 + 7x3 + -7x3 = 18 + -7x3

Combine like terms: 7x3 + -7x3 = 0
X4 + 0 = 18 + -7x3
X4 = 18 + -7x3

Simplifying
X4 = 18 + -7x3

Reorder the terms:
-18 + X4 + 7x3 = 18 + -7x3 + -18 + 7x3

Reorder the terms:
-18 + X4 + 7x3 = 18 + -18 + -7x3 + 7x3

Combine like terms: 18 + -18 = 0
-18 + X4 + 7x3 = 0 + -7x3 + 7x3
-18 + X4 + 7x3 = -7x3 + 7x3

Combine like terms: -7x3 + 7x3 = 0
-18 + X4 + 7x3 = 0

The solution to this equation could not be determined.

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