nicolechavez7100 nicolechavez7100
  • 01-10-2019
  • Mathematics
contestada

X+y+z=2
2x+y-z=5
X-y+z=-2

Respuesta :

wirick23aidan
wirick23aidan wirick23aidan
  • 01-10-2019

Answer:

x=2-y-z

x=5/2-y/2+z/2

x=-2+y-z

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