16=144r^2

Solution for 16=144r^2 equation:

Simplifying
16 = 144r2

Solving
16 = 144r2

Solving for variable 'r'.

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

Add '-144r2' to each side of the equation.
16 + -144r2 = 144r2 + -144r2

Combine like terms: 144r2 + -144r2 = 0
16 + -144r2 = 0

Add '-16' to each side of the equation.
16 + -16 + -144r2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -144r2 = 0 + -16
-144r2 = 0 + -16

Combine like terms: 0 + -16 = -16
-144r2 = -16

Divide each side by '-144'.
r2 = 0.1111111111

Simplifying
r2 = 0.1111111111

Take the square root of each side:
r = {-0.333333333, 0.333333333}