16-2y^2+4=0

Solution for 16-2y^2+4=0 equation:

Simplifying
16 + -2y2 + 4 = 0

Reorder the terms:
16 + 4 + -2y2 = 0

Combine like terms: 16 + 4 = 20
20 + -2y2 = 0

Solving
20 + -2y2 = 0

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + -2y2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -2y2 = 0 + -20
-2y2 = 0 + -20

Combine like terms: 0 + -20 = -20
-2y2 = -20

Divide each side by '-2'.
y2 = 10

Simplifying
y2 = 10

Take the square root of each side:
y = {-3.16227766, 3.16227766}