What values of x, y and z satisfy the following system of linear equations?
(A)
x=6, y=3, z=2
(B)
x=12, y=3, z=-4
(C)
x=6, y=6, z=-4
(D)
x=12, y=-3, z=0
Answer: (C)
Explanation:
1 * x + 2 * y + 3 * z = 6
1 * x + 3 * y + 4 * z = 8
2 * x + 2 * y + 3 * z = 12
Put x =6 , y = 6 and z = -4
The above three equation are satisfied.
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