powella284284 powella284284
  • 03-09-2019
  • Mathematics
contestada

-x+y+z=-1
-x+4y-5z=-16
5x-4y-7z=0

Respuesta :

kingscross82
kingscross82 kingscross82
  • 04-09-2019

Answer:

8

Step-by-step explanation:

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