2y^2-0.5=0

Solution for 2y^2-0.5=0 equation:

Simplifying
2y2 + -0.5 = 0

Reorder the terms:
-0.5 + 2y2 = 0

Solving
-0.5 + 2y2 = 0

Solving for variable 'y'.

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

Add '0.5' to each side of the equation.
-0.5 + 0.5 + 2y2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 2y2 = 0 + 0.5
2y2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
2y2 = 0.5

Divide each side by '2'.
y2 = 0.25

Simplifying
y2 = 0.25

Take the square root of each side:
y = {-0.5, 0.5}