-2=16-2X^2

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Solution for -2=16-2X^2 equation: 


Simplifying
-2 = 16 + -2X2

Solving
-2 = 16 + -2X2

Solving for variable 'X'.

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

Add '2X2' to each side of the equation.
-2 + 2X2 = 16 + -2X2 + 2X2

Combine like terms: -2X2 + 2X2 = 0
-2 + 2X2 = 16 + 0
-2 + 2X2 = 16

Add '2' to each side of the equation.
-2 + 2 + 2X2 = 16 + 2

Combine like terms: -2 + 2 = 0
0 + 2X2 = 16 + 2
2X2 = 16 + 2

Combine like terms: 16 + 2 = 18
2X2 = 18

Divide each side by '2'.
X2 = 9

Simplifying
X2 = 9

Take the square root of each side:
X = {-3, 3}

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