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    hollyrock's Avatar
    hollyrock Posts: 1, Reputation: 1
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    #1

    Sep 22, 2007, 06:57 PM
    algebra equation
    my son had a warm up problem that I think he got wrong. It was 5x-2y=8

    I think you set x at 0 and then you find y. I say 5(0)-2y=8
    y=-4 when x is 0. Is this correct?
    sGt HarDKorE's Avatar
    sGt HarDKorE Posts: 656, Reputation: 98
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    #2

    Sep 22, 2007, 06:59 PM
    yes. Then you have to set y to 0 and find x. Then you put those 2 points on a graph and you can make a line
    Sexynurse's Avatar
    Sexynurse Posts: 1, Reputation: 1
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    #3

    Sep 23, 2007, 07:13 AM
    Quote Originally Posted by hollyrock
    my son had a warm up problem that i think he got wrong. it was 5x-2y=8

    i think you set x at 0 and then you find y. i say 5(0)-2y=8
    y=-4 when x is 0. Is this correct?
    yes UR correct because when you put the answer back into the equation it works
    5(0)-2(-4)=8
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