144=9y^2

Solution for 144=9y^2 equation:

Simplifying
144 = 9y2

Solving
144 = 9y2

Solving for variable 'y'.

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

Add '-9y2' to each side of the equation.
144 + -9y2 = 9y2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
144 + -9y2 = 0

Add '-144' to each side of the equation.
144 + -144 + -9y2 = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -9y2 = 0 + -144
-9y2 = 0 + -144

Combine like terms: 0 + -144 = -144
-9y2 = -144

Divide each side by '-9'.
y2 = 16

Simplifying
y2 = 16

Take the square root of each side:
y = {-4, 4}