SOLUTION: Use the echelon method to solve x + y + z = 2 2x + y - z =5 x - y + z = -2

Algebra ->  Linear-equations -> SOLUTION: Use the echelon method to solve x + y + z = 2 2x + y - z =5 x - y + z = -2      Log On


   

Question 147933This question is from textbook
: Use the echelon method to solve
x + y + z = 2
2x + y - z =5
x - y + z = -2 This question is from textbook

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use the echelon method to solve
x + y + z = 2
2x + y - z =5
x - y + z = -2
-------
I don't know what the "echelon" method is, but the answers are:
x = 1
y = 2
z = -1