Find the student’s error in solving the following inequality. 2 < –3x –4 < 5 6 < –3x < 5 –2 > x > –5/3 The student should have added 4 to all parts (left, middle, and right) to get 6 < –3x < 9. The student divided 6/–3 incorrectly. The student should not have switched the direction of the sign in the final step.