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27 December, 23:52

What value of x is in the solution set of - 5x - 15 > 10 + 20x?

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Answers (2)
  1. 28 December, 00:17
    0
    So isolate x on one side

    -5x-15>10+20x

    add 5x to both sides

    -15>10+25x

    subtract 10 from both sides

    -25>25x

    divid eboth sides by 25

    -1>x

    so anything smaller than - 1 so exg - 2,-2355,-45
  2. 28 December, 00:20
    0
    -5x - 15 > 10 + 20x / + 15

    -5x > 25 + 20x / - 20x

    -25x > 25 / : (-25)

    x < - 1
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