please solve

Watch the video that describes solving special cases. Click here to watch the video. Solve the group of equations and inequalities below analytically. (a) |12x - 3 = -9 (b) |12x - 3 -9 (a) Select the correct answer below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is a set of numbers, (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) O B. The solution set is the interval (Type your answer in interval notation. Type integers or fractions.) O C. The solution set is O