Mathematics, 14.01.2020 18:31 mervesena01
4. what is the solution to the system of equations?
3x + 2y + z = 9
-3x-y+ 3z= -7
| 2x + z= 9
o (4, -2, -1)
© (4, 2, 1)
o (4, -2, 1)
• (-4, -2, 1)
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4. what is the solution to the system of equations?
3x + 2y + z = 9
-3x-y+ 3z= -7
...
3x + 2y + z = 9
-3x-y+ 3z= -7
...
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