4=s^2

Solution for 4=s^2 equation:

Simplifying
4 = s2

Solving
4 = s2

Solving for variable 's'.

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

Add '-1s2' to each side of the equation.
4 + -1s2 = s2 + -1s2

Combine like terms: s2 + -1s2 = 0
4 + -1s2 = 0

Add '-4' to each side of the equation.
4 + -4 + -1s2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1s2 = 0 + -4
-1s2 = 0 + -4

Combine like terms: 0 + -4 = -4
-1s2 = -4

Divide each side by '-1'.
s2 = 4

Simplifying
s2 = 4

Take the square root of each side:
s = {-2, 2}