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Ganezh [65]
2 years ago
9

Classify the system and identify the number of solutions. X-2y-2z=8 2x+6y-2z=9 8x-6y-14z=11

Mathematics
1 answer:
seropon [69]2 years ago
8 0

Answer:

xyz=-3.11

Step-by-step explanation:

X+2x+8X-2y+6y-6y-2z-2z-14z=8+9+11

11x-8y+6y-18z=28

11x-2y-18z=28

xyz(11-2-18)=28

xyz(11-20)=28

xyz(-9)=28

xyz=28/-9

xyz=-3.11

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