What is the solution to the system of equations below?

X + y + z = 14

y + Z = 7

Z = 3

O A. x = 7, y = 4, z = 3

OB. X = 8, y = 3, z = 3

O c. x = 10, y = 1, z = 3

O D. x = 5, y = 6, z = 3

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