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9 August, 05:05

Solve: 90 is greater than or equal to - 9 (w+3)

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  1. 9 August, 06:31
    0
    I just solved this

    another way

    distributive propery

    a (b+c) = ab+ac

    90>-9 (w+3)

    distribute - 9

    -9 (w+3) = - 9w-27

    now we have

    90>-9w-27

    add 27 to both sides

    90+27>-9w+27-27

    117>-9w

    divide both sides by - 9 and don't forget to flip relation symbol

    -13
    w>-13

    any number from - 13 and up is ossible
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