Consider the following system: x+ 3y + az = 4, x-y+bz = -2, 2x +4y+ cz = 6. %3D %3D 13 a If 1 -1b 6, and x = S1, y = 82, Z = 83 is the solution of 24 the system, then s3 = A) 글 B) C) = D)

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