20=4-X^2

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Solution for 20=4-X^2 equation:


Simplifying
20 = 4 + -1X2

Solving
20 = 4 + -1X2

Solving for variable 'X'.

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

Add 'X2' to each side of the equation.
20 + X2 = 4 + -1X2 + X2

Combine like terms: -1X2 + X2 = 0
20 + X2 = 4 + 0
20 + X2 = 4

Add '-20' to each side of the equation.
20 + -20 + X2 = 4 + -20

Combine like terms: 20 + -20 = 0
0 + X2 = 4 + -20
X2 = 4 + -20

Combine like terms: 4 + -20 = -16
X2 = -16

Simplifying
X2 = -16

Reorder the terms:
16 + X2 = -16 + 16

Combine like terms: -16 + 16 = 0
16 + X2 = 0

The solution to this equation could not be determined.

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