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28 March, 04:08

Solve for x.

7x - 9 11

+3
Answers (1)
  1. 28 March, 04:38
    0
    Step-by-step explanation:

    Let's solve the inequalities separately.

    7x - 9 < 12

    Add 9 on both sides:

    7x < 21

    Divide 7 on both sides:

    x < 3

    x + 8 > 11

    Subtract 8 on both sides:

    x > 3

    This doesn't make sense, did you mean to add something next to the 1 in front of x?

    Hypothetically, let's say it's 7x - 9 11

    We would have x < 3 because the first inequality is the same.

    1/3x + 8 > 11

    We would subtract 8 on both sides:

    1/3x > 3

    Multiply 3 on both sides:

    x > 9

    Then the answer would be 3 < x < 9
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