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    funny biscuits's Avatar
    funny biscuits Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Apr 28, 2009, 12:24 PM
    inequalities and making y the subject
    Please help! Does anyone know how to do the following sum:



    y-2x+3=0


    I WOULD APPRECIATE IT GREATLY IF SOMEONE COULD GIVE ME THE ANSWER AND TELL ME HOW TO DO THE SUM!!
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Apr 28, 2009, 02:19 PM

    I'm afraid the question eludes me.

    is an equation. You can rearrange it:



    If you plot y against x for all possible y, you'll come up with a line of slope 2 and y-intercept = -3.

    You can't add three things if you don't know what they are.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Apr 29, 2009, 07:42 AM

    Sum? I don't see anything of the sort here... but only rearranging the equation like Perito said... :(
    funny biscuits's Avatar
    funny biscuits Posts: 2, Reputation: 1
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    #4

    May 2, 2009, 09:49 AM
    Thanks a lot for your answer , it helpd!! :):o
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #5

    May 2, 2009, 09:58 AM

    Ok, see you again! :)
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