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1 December, 02:28

Solve and graph

2r - 9 > - 6

9x-5 7

4x+3 > - 17 and 7x-4<10

+3
Answers (1)
  1. 1 December, 04:16
    0
    2r - 9 > - 6

    2r - 9 = - 6

    2r = 3

    r = 3/2 = 1.5

    r > 1.5

    9x-5 < - 41

    9x-5 = - 41

    9x = - 36

    x = - 36/9 = - 4

    x < - 4

    3x + 13 > 7

    3x + 13 = 7

    3x = - 6

    x = - 6/3 = - 2

    x > - 2

    4x + 3 > - 17

    4x + 3 = - 17

    4x = - 20

    x = - 20/4 = - 5

    x > - 5

    7x - 4 < 10

    7x - 4 = 10

    7x = 14

    x = 14/7 = 2

    x < 2
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