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  • Mar 6, 2007, 07:06 PM
    lemon-lime2
    I need the answer
    r=-3s
    r=10-4s
    solve the systems using substitution
  • Mar 6, 2007, 08:46 PM
    asterisk_man
    you've got two equations for r.
    substitute the value for r in the first equation for the r in the second equation, solve for s, substitute back into one of the two equations. Done
  • Mar 26, 2007, 08:02 PM
    dumbo4
    r=-30
    s=10

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