Solve the system of equations.x - y + z = 0x + y + z = 2x + y - z = 10
A. {(5, -4, 1)}
B. ?
C. {(-4, 5, 1)}
D. {(5, 1, -4)}
Answer: D
Mathematics
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A. 
B. 6!
C. 6
D. 1
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A. -1.8 B. -0.8 C. -18 D. -8
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(3
- 3)2
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