The sum of 5x and 2x is at least 70

Discussion in 'Calculator Requests' started by math_celebrity, Sep 11, 2016.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    Is at least means greater than or equal to:

    5x + 2x >= 70

    If we combine like terms, we have:
    7x >=70

    We can further simplify by dividing each side of the inequality by 7
    x >=10

    If you want the interval notation for that, use the interval notation calculator.

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