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algebra

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-1/2m > -7

  • algebra - ,

    -1/2m > -7

    m > -7 / (-1/2)

    m > -7 * -2

    m > 14

  • algebra - ,

    oops

    -1/2 m > -7
    m < -7 / (-1/2)
    m < 14

    multiplying/dividing by a negative number changes the direction of the inequality

    check: -1/2 (10) = -5 > -7

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