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21 August, 11:41

Which number line shows the solution set to this inequality? - 2x + 9 < x - 9

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  1. 21 August, 15:14
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    see below

    Step-by-step explanation:

    -2x + 9 < x - 9

    Add 2x to each side

    2x-2x + 9 < 2x+x - 9

    9 < 3x-9

    Add 9 to each side

    9+9 < 3x

    18 < 3x

    Divide each side by 3

    18/3 < 3x/3

    6 < x

    Open circle at 6 line going to the right
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