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1 August, 11:53

Solve the compound inequality: 30>x+10>20

A. 20>x>10

B. 40>x>30

C. 2010

D. No possible solutions

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Answers (2)
  1. 1 August, 14:39
    0
    10 < x < 20

    Step-by-step explanation:

    Given

    30 > x + 10 > 20 (subtract 10 from each interval)

    20 > x > 10 → A, which can be expressed as

    10 < x < 20
  2. 1 August, 15:27
    0
    A. 20>x>10

    Step-by-step explanation:

    30>x+10>20

    Split this up:

    x + 10 < 30

    x < 20.

    x + 10 > 20

    x > 10.
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