The solution of the system of equations x + y +...

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The solution of the system of equations x + y + z = 4, x - y + z = 0, 2x + y + z = 5 is

A. x = 2, y = 2, z = 0

B. x = 1, y = 4, z = 1

C. x = 2, y = 4, z = 3

D. x = 1, y = 2, z = 1

Answer: Option D

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