Mathematics knowledge · Difficulty 2
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Evaluate 3x - 2 when x = 7.
- 16
- 24
- 19
- 21
Reveal answer and explanation
19
Substitute 7 for x: 3(7) - 2 = 19.