16a^2-4=0

Solution for 16a^2-4=0 equation:

Simplifying
16a2 + -4 = 0

Reorder the terms:
-4 + 16a2 = 0

Solving
-4 + 16a2 = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 16a2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 16a2 = 0 + 4
16a2 = 0 + 4

Combine like terms: 0 + 4 = 4
16a2 = 4

Divide each side by '16'.
a2 = 0.25

Simplifying
a2 = 0.25

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