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17 November, 10:40

Solve - 9≤4x-1<19 and write the solution in interval notation. If there is no solution, type ∅.

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Answers (1)
  1. 17 November, 11:01
    0
    see explanation

    Step-by-step explanation:

    Given

    - 9 ≤ 4x - 1 < 19 (add 1 to each of the 3 intervals)

    - 8 ≤ 4x < 20 (divide each interval by 4)

    - 2 ≤ x < 5

    The solution in interval notation is

    [ - 2, 5)
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