I WILL GIVE BRAINLIEST what is the solution of the system below?

x = -3y -4
-3y = 2x - 7
z = -6x + y

A. x = -5,y = 11, z = -71
B. x = 11, y = -71, z = -5
C. x = -71, y = -5, z = 11
D. x = 11, y = -5, z = 71

please PLEASE HELP. I WILL GIVE BRAINLIEST