9=y^2-5

Solution for 9=y^2-5 equation:

Simplifying
9 = y2 + -5

Reorder the terms:
9 = -5 + y2

Solving
9 = -5 + y2

Solving for variable 'y'.

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

Add '-1y2' to each side of the equation.
9 + -1y2 = -5 + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
9 + -1y2 = -5 + 0
9 + -1y2 = -5

Add '-9' to each side of the equation.
9 + -9 + -1y2 = -5 + -9

Combine like terms: 9 + -9 = 0
0 + -1y2 = -5 + -9
-1y2 = -5 + -9

Combine like terms: -5 + -9 = -14
-1y2 = -14

Divide each side by '-1'.
y2 = 14

Simplifying
y2 = 14

Take the square root of each side:
y = {-3.741657387, 3.741657387}