coronaishell2020 coronaishell2020
  • 24-11-2020
  • Mathematics
contestada

3x - 2y + 5z = 2
4x - 7y - z = 19
5x - 6y + 4z =13

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gabbyds06 gabbyds06
  • 24-11-2020
(x=1) (y= -2) (z= -1)
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