2x^4-8=20

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Solution for 2x^4-8=20 equation:


Simplifying
2x4 + -8 = 20

Reorder the terms:
-8 + 2x4 = 20

Solving
-8 + 2x4 = 20

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x4 = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 2x4 = 20 + 8
2x4 = 20 + 8

Combine like terms: 20 + 8 = 28
2x4 = 28

Divide each side by '2'.
x4 = 14

Simplifying
x4 = 14

Reorder the terms:
-14 + x4 = 14 + -14

Combine like terms: 14 + -14 = 0
-14 + x4 = 0

The solution to this equation could not be determined.

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