Solve the System Using the Inverse of the Coefficient Matrix

Multiple Choice

Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.
--4x - y + 9z = 66 -4x + 5y + 8z = 75
5x - 2y + z = 18

A)
B) {(3, 3, 9) }
C) {(3, 9, 3) }
D) {(-3, 3, 6) }