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Mathematics knowledge · Difficulty 3

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.

Question

Evaluate 3x - 2 when x = 6.

  1. 13
  2. 21
  3. 16
  4. 18
Reveal answer and explanation

16

Substitute 6 for x: 3(6) - 2 = 16.