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    Victoria223's Avatar
    Victoria223 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 11, 2011, 12:54 PM
    Solving systems of equations by elimination
    -x-7y=14
    -4x-14y=28
    Aurora2000's Avatar
    Aurora2000 Posts: 111, Reputation: 16
    Junior Member
    		  
    #2

    Dec 12, 2011, 02:13 AM


    Multiply by 2 both sides of , so you get . Then subtract side by side this with so you get which leads to ,
    and follows.
    vannabannabear's Avatar
    vannabannabear Posts: 10, Reputation: 3
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    #3

    Dec 18, 2011, 05:10 PM
    Mathway.com !(:
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