Giselfelicia1970viz
Answered

The following set of is?

x+y+2z= 9
3x-y-z= 9
4x+5y-6z= 9

A. {2, 1, 4}
B. {5, 2, 1}
C. {4, 1, 2}
D. {1, 2, 5}
E. {4, 2, 1} ​

Sagot :

Atengsssviz

Answer:

x+y+2z= 9 (SET C)

3x-y-z= 9 (SET C)

4x+5y-6z= 9 (SET C)