Question: 1) Using any method, solve the system of equations.Must show your approach and work, or what you put into your calculator and what you used

1) Using any method, solve the system of equations.Must show your approach and work, or what you put into your calculator and what you used in your calculator:

4y=-20

x+4y-2z=-15

y+z=-9

( Could you guide me through this problem please? I have a TI-Nspire calculator and my teacher doesn't use that model so its been a bit difficult working this problem out.)

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