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25 August, 01:58

Solve the inequality for x.

-3x - 6 < 15

A) x < - 3

Eliminate

B) x < - 7

C) x > - 3

D) x > - 7

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Answers (2)
  1. 25 August, 02:17
    0
    Option D, x > - 7

    Step-by-step explanation:

    Step 1: Add 6 to both sides

    -3x - 6 + 6 < 15 + 6

    -3x < 21

    Step 2: Divide both sides by - 3

    -3x / - 3 < 21 / - 3

    Since you divided by a negative, you need to flip the sign

    x > - 7

    Answer: Option D, x > - 7
  2. 25 August, 02:21
    0
    D) x > - 7

    Step-by-step explanation:

    -3x - 6 < 15

    Add 6 to each side

    -3x - 6+6 < 15+6

    -3x < 21

    Divide each side by - 3, remembering to flip the inequality

    -3x/-3 > 21/-3

    x >-7
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