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    cwaller's Avatar
    cwaller Posts: 19, Reputation: 1
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    #1

    Dec 6, 2010, 08:44 PM
    Solve this system of equation by the substitution method.
    x+4y=-1
    3x+y=8
    Alty's Avatar
    Alty Posts: 28,317, Reputation: 5972
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    #2

    Dec 6, 2010, 08:45 PM

    Please see the link posted below.

    https://www.askmehelpdesk.com/readin...-b-u-font.html
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Dec 7, 2010, 12:35 AM

    Either you change the first equation to:

    x= -1 - 4y

    Or you change the second equation to:

    y= 8 - 3x

    The substitute this into the other equation and solve for the last variable.
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