Find the solution to the system of equations x + 4y - 5z = -8
x + 4y - 4z = -2
x + 5y - 4z = 3

A. x=2 , y=5 , z=6
B. x=3 , y=14 , z=-12
C. x=4 , y=5 , z=6
D. x=2 , y=4, z=5

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