What values of x, y and z satisfy the following system of linear equations?

GATE · 2004 · IT

What values of x, y and z satisfy the following system of linear equations? 

1. A.

   x = 6, y = 3, z = 2

2. B.

   x = 12, y = 3, z = -4

3. C.

   x = 6, y = 6, z = -4

4. D.

   x = 12, y = -3, z = 0

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