9414 1404 393
D = 9(x, y, z) = (2, 3, -4)
Step-by-step explanation:
A suitable calculator can compute the determinant for you. It is ...
ย D = 9
Then the values of x, y, z are ...
ย (x, y, z) = (Dx, Dy, Dz)/D = (18/8, 27/9, -36/9)
ย (x, y, z) = (2, 3, -4)