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    AshleyRae09's Avatar
    AshleyRae09 Posts: 6, Reputation: 1
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    #1

    Sep 25, 2009, 07:34 PM
    solving less than problems
    how do you solve a problem like...
    solve with add and multiply 5+6x<53
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Sep 25, 2009, 07:45 PM



    Add -5 to both sides





    Now multiply by 1/6





    If ever you multiply or divide by -1, you need to change the "sense" of the inequality ("<" changes to ">" or ">" to "<", for example). If you ever have to divide or multiply by "x", you need to make sure (at the end) that "x" is positive. Otherwise, the sign changes.
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