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15 February, 23:24

5-4n<8-5n

How do I solve

+4
Answers (1)
  1. 16 February, 02:21
    0
    Subtract 5n from both sides

    5-9n <8

    Subtract 5 from both sides

    -9n <3

    Divide both sides by negative 9.

    n <1/3

    To check:

    5-4 (1/3) <8-5 (1/3)

    OR

    Add 4n to both sides

    5 <8-n

    Subtract 8 from both sides

    -3 <-n

    Divide both sides by negative 1

    3
    To check:

    5-4 (3) <8-5 (3)

    -7 < - 7

    The first way is your right answer.
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