-3x/2 - 9 = -27
-3x/2 = -27 + 9
-3x/2 = -18
-3x = -18 * 2
-3x = -36
x = 36/3
x = 12
*negative thirty-six turned into negative thirty-six over three, but since both numbers were negative, we had to make it positive in order to simplify, so that's why the answer is twelve, and not negative twelve.