76=y^2+4

Solution for 76=y^2+4 equation:

Simplifying
76 = y2 + 4

Reorder the terms:
76 = 4 + y2

Solving
76 = 4 + 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.
76 + -1y2 = 4 + y2 + -1y2

Combine like terms: y2 + -1y2 = 0
76 + -1y2 = 4 + 0
76 + -1y2 = 4

Add '-76' to each side of the equation.
76 + -76 + -1y2 = 4 + -76

Combine like terms: 76 + -76 = 0
0 + -1y2 = 4 + -76
-1y2 = 4 + -76

Combine like terms: 4 + -76 = -72
-1y2 = -72

Divide each side by '-1'.
y2 = 72

Simplifying
y2 = 72

Take the square root of each side:
y = {-8.485281374, 8.485281374}