aristoker aristoker
  • 27-10-2020
  • Mathematics
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3x + 2y + z = 7 2x + 3y - z = 8 5x + y + 2z = 11

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Аноним Аноним
  • 27-10-2020

Answer:

x = 3,    y = 0,      z = −2

Step-by-step explanation:

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