jamy96
jamy96
09-10-2020
Mathematics
contestada
4x - 5y - z= 18
-2x - 5y -2z= 12
-2x + 5y + z = 4
Respuesta :
randyg2022
randyg2022
31-10-2020
Answer:
x=-4, y=0, z=-2
Step-by-step explanation:
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