Okay, so let's break up the equation. Start with the -1/2 in our equation:
-1/2 ÷ -1/2 = 1!
Next our 6 value:
6 ÷ -1/2 = -12! (When dividing a number by a fraction, multiply by the reciprocal, which is the flipped version: 1/2 is reciprocated to 2/1, or 2)
OUR NEXT EQUATION: -1/2 ( x - 12 )