.5(x-12)=15

Solution for .5(x-12)=15 equation:

Simplifying
0.5(x + -12) = 15

Reorder the terms:
0.5(-12 + x) = 15
(-12 * 0.5 + x * 0.5) = 15
(-6 + 0.5x) = 15

Solving
-6 + 0.5x = 15

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 0.5x = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 0.5x = 15 + 6
0.5x = 15 + 6

Combine like terms: 15 + 6 = 21
0.5x = 21

Divide each side by '0.5'.
x = 42

Simplifying
x = 42