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    roxycub's Avatar
    roxycub Posts: 2, Reputation: 1
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    #1

    Sep 20, 2010, 10:12 AM
    5-(+7)=
    what is the answear to 5 (negative) - (positive) 7 =
    roxycub's Avatar
    roxycub Posts: 2, Reputation: 1
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    #2

    Sep 20, 2010, 10:13 AM
    :(
    I donow
    maks07's Avatar
    maks07 Posts: 12, Reputation: 1
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    #3

    Sep 20, 2010, 11:11 AM
    -2
    morgaine300's Avatar
    morgaine300 Posts: 6,561, Reputation: 276
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    #4

    Sep 21, 2010, 02:01 PM

    maks07, first we do not just do homework for people. We help them to try to understand it, not just do it.

    And giving an answer away with no explanation doesn't help anyone learn anything. What are they supposed to do with the next one - just keeping answers from you?
    morgaine300's Avatar
    morgaine300 Posts: 6,561, Reputation: 276
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    #5

    Sep 21, 2010, 02:03 PM

    roxycub, if not said otherwise, all numbers are understood to be positive.

    For instance, the 5 at the beginning of this is positive, even though it doesn't have a + in front of it. The 7 would likewise be positive whether it had the + on it or not.

    So it's just the same as saying:
    5 - 7.

    Do you know how to do that?
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