12=0.5y

Solution for 12=0.5y equation:

Simplifying
12 = 0.5y

Solving
12 = 0.5y

Solving for variable 'y'.

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

Add '-0.5y' to each side of the equation.
12 + -0.5y = 0.5y + -0.5y

Combine like terms: 0.5y + -0.5y = 0.0
12 + -0.5y = 0.0

Add '-12' to each side of the equation.
12 + -12 + -0.5y = 0.0 + -12

Combine like terms: 12 + -12 = 0
0 + -0.5y = 0.0 + -12
-0.5y = 0.0 + -12

Combine like terms: 0.0 + -12 = -12
-0.5y = -12

Divide each side by '-0.5'.
y = 24

Simplifying
y = 24