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    DanPatrick10's Avatar
    DanPatrick10 Posts: 134, Reputation: 5
    Junior Member
    		  
    #1

    Aug 12, 2008, 09:51 PM
    Solving Linear Equations and Inequalities
    I've been working on a practice set and this equation is giving me some trouble:

    -(3/4x-1/3)+2x

    The answer key says the answer is:

    5/4x +1/3

    I don't understand why the answer is stated as such. Shouldn't
    the 5/4x be -5/4x because of the distributive property? Also,
    shouldn't the 5/4x and 2x be multiplied by LCD 4? If someone could
    write out the solution this would help me understand better.
    Credendovidis's Avatar
    Credendovidis Posts: 1,593, Reputation: 66
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    #2

    Aug 13, 2008, 01:42 AM
    Hello Dan

    -(3/4x-1/3) +2x --> (-3/4x -- 1/3) + 2x --> -3/4x + 1/3 + 8/4x --> 5/4x + 1/3

    :)
    colbtech's Avatar
    colbtech Posts: 748, Reputation: 66
    Senior Member
    		  
    #3

    Aug 13, 2008, 01:49 AM
    Quote Originally Posted by Credendovidis
    Hello Dan

    -(3/4x-1/3) +2x --> (-3/4x -- 1/3) + 2x --> -3/4x + 1/3 + 8/4x --> 5/4x + 1/3

    :)
    Nicely Done. A+
    toluboiy's Avatar
    toluboiy Posts: 1, Reputation: 1
    New Member
    		  
    #4

    Aug 18, 2008, 07:23 AM
    I don't know it
    adamjan2's Avatar
    adamjan2 Posts: 1, Reputation: 1
    New Member
    		  
    #5

    Sep 13, 2008, 04:34 PM
    3>-x-4
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