Question

1. What is the solution to the system?

[1] x + y + z = 2
[2] 2x + y - Z=-1
[3] X= 5-2z

A. (2, -1, -2)
B. (2, 1, -1)
C. (2,-1,5)
D. (1, -1,2)

Answer 1

B is the correct answer

Answer 2

D.(1, -1, 2) hope this helps