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12 January, 21:39

Is X=-2 a solution of inequation

2x+1> X-3? why?

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Answers (1)
  1. 12 January, 23:00
    0
    -2 >-4

    This is true, so it is a solution

    Step-by-step explanation:

    2x+1> x-3

    Subtract x from each side

    2x-x+1> x-x-3

    x + 1 > - 3

    Subtract 1 from each side

    x+1-1 >-3-1

    x > - 4

    x = -2 Substitute this into the inequality

    -2 >-4

    This is true, so it is a solution
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