8. Solve this system of equations
4x − 2y + 3z = 1
x + 3y − 4z = −7
3x + y +2z = 5
Select the appropriate response:

A) x = − 1, y = 2, z = 3
B) x = − 1, y = 4, z = 4
C) x = − 3, y = 2, z = 3
D) x = − 1, y = 4, z = 3