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    happy36's Avatar
    happy36 Posts: 1, Reputation: 1
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    #1

    Feb 19, 2008, 02:56 PM
    how do you work this equation?
    y=3x-7
    this8384's Avatar
    this8384 Posts: 4,564, Reputation: 485
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    #2

    Feb 19, 2008, 03:33 PM
    I'm not really a mathematical expert, but I don't know how you'd be able to work the equation when there's 2 unknown numbers. There's limitless options.
    iamthetman's Avatar
    iamthetman Posts: 105, Reputation: 8
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    #3

    Feb 20, 2008, 01:48 PM
    y = 3x - 7

    This is an equation for a line. A line has an infinite number of points on it. For example one point would be (0,-7) where an x-value of 0 produces a y-value of -7. Points along this line can easily be obtained by substituting values of x and solving to get the y-value or vice versa.

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