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29 June, 20:30

Solve 7n + 4 < 9n - 3.

a) n < - 3.5

B) n < 3.5

C) n > - 3.5

D) n > 3.5

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Answers (2)
  1. 29 June, 20:57
    0
    Option D, n > 3.5

    Step-by-step explanation:

    Step 1: Solve for n

    7n + 4 + 3 - 7n < 9n - 3 + 3 - 7n

    7 / 2 < 2n / 2

    3.5 < n

    n > 3.5

    Answer: Option D, n > 3.5
  2. 29 June, 21:12
    0
    Than you would subtract 7n off both sides and get. 4<2n-3.

    Next you would add 3 to each sides and get. 7<2n. Last you divide 2 on both side cause whatever you do to one side you do to the other. And you left with 3.53.5
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