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  • Dec 9, 2009, 04:56 PM
    musicfan_098
    solve by elimination 3x-y=7, 2x+y=3
    3x-y=7, 2x+y=3
  • Dec 9, 2009, 04:58 PM
    albear

    OK, lets call the first equation (1) and the second equation (2)

    what do you get when you do (1) +(2)

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