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Math Help - need help solving the inequality for Z

  1. #1
    Newbie
    Joined
    Jan 2008
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    2

    need help solving the inequality for Z

    Solve the inequality for

    z - 10 < 11


    Simplify your answer as much as possible.
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  2. #2
    Senior Member
    Joined
    Dec 2007
    From
    Melbourne
    Posts
    428
    You can add and subtract freely provided you do the same thing one both sides of the inequality. So:

    z-10<11
    z-10+10<11+10
    z<21
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