2y^2-14=0

Solution for 2y^2-14=0 equation:

Simplifying
2y2 + -14 = 0

Reorder the terms:
-14 + 2y2 = 0

Solving
-14 + 2y2 = 0

Solving for variable 'y'.

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

Add '14' to each side of the equation.
-14 + 14 + 2y2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 2y2 = 0 + 14
2y2 = 0 + 14

Combine like terms: 0 + 14 = 14
2y2 = 14

Divide each side by '2'.
y2 = 7

Simplifying
y2 = 7

Take the square root of each side:
y = {-2.645751311, 2.645751311}