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March 25, 2017

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How would this inequality be solved?
|7d| > -43
There is no reference to this type of problem in the textbook.
Thanks

  • algebra - ,

    when d is positive, where is 7 d >-43
    well whenever d >-43/7
    when d is negative, when is |d|>-43
    well whenever d < -43/7
    in other words for all real d
    IN FACT:
    the absolute value of any old number is positive.
    It is greater than ANY negative number

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