-3y^2+27=

Solution for -3y^2+27= equation:

Simplifying
-3y2 + 27 = 0

Reorder the terms:
27 + -3y2 = 0

Solving
27 + -3y2 = 0

Solving for variable 'y'.

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

Add '-27' to each side of the equation.
27 + -27 + -3y2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -3y2 = 0 + -27
-3y2 = 0 + -27

Combine like terms: 0 + -27 = -27
-3y2 = -27

Divide each side by '-3'.
y2 = 9

Simplifying
y2 = 9

Take the square root of each side:
y = {-3, 3}