-16=-9z^2

Solution for -16=-9z^2 equation:

Simplifying
-16 = -9z2

Solving
-16 = -9z2

Solving for variable 'z'.

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

Add '9z2' to each side of the equation.
-16 + 9z2 = -9z2 + 9z2

Combine like terms: -9z2 + 9z2 = 0
-16 + 9z2 = 0

Add '16' to each side of the equation.
-16 + 16 + 9z2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 9z2 = 0 + 16
9z2 = 0 + 16

Combine like terms: 0 + 16 = 16
9z2 = 16

Divide each side by '9'.
z2 = 1.777777778

Simplifying
z2 = 1.777777778

Take the square root of each side:
z = {-1.333333333, 1.333333333}