Question

The system of equation x+y+z=2; 3x - y + 2z = 6 and 3x + y +z= -18 has
(A) a unique solution
(B) no solution
(C) an infinite number of solution
(D) zero solution as the only solution​

Answer 1

Answer:

A

Step-by-step explanation:

x = -10, z = 16, y = -4