Solve the following equations:

1. | 3x | = 6

2. 2 | x-7 | = 12

3. | 3x - 4 | + 5 = 32

4. 5 | 2x-3 | = 15

5. 1/2 |4x -8 | - 4 = 3

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?