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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