1. X=2+1/2y+1/2z
2. X=-1+2y+z
3. X=16/3-1/3y-1/3z
All numbers are real numbers.

is irrational
I think its B.
If its right, congratulations! I hope you get a good grade.
If its wrong, i'm sorry, ill try better next time
Answer:
-T
Step-by-step explanation:
Im not the greatest at math but thats what i got.