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2x-y-z=15 4x+5y+2z=10 -X-4y+3z=-20​

2x-y-z=15 4x+5y+2z=10 -X-4y+3z=-20​
asked 65.2k views
5 votes
2x-y-z=15 4x+5y+2z=10 -X-4y+3z=-20​

asked
User Rosanna
by
8.5k points

1 Answer

5 votes

Answer:

{x,y,z}={2,2,−2}

Explanation:

answered
User John Velman
by
8.1k points
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