alexisjxra alexisjxra
  • 04-11-2019
  • Mathematics
contestada

3a-3b+4c=-23
a+2b-3c=25
4a-b+c=25

Respuesta :

kthomas7938 kthomas7938
  • 04-11-2019

Answer:

21

Step-by-step explanation:

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