SOLUTION: Could you please help me solve this system of linear equations? 2x+3y-z = 0, x-4y+5z = 0 Verify that x = 1, y=-1, z = -1 is a solution.

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Could you please help me solve this system of linear equations? 2x+3y-z = 0, x-4y+5z = 0 Verify that x = 1, y=-1, z = -1 is a solution.      Log On


   

Question 841654: Could you please help me solve this system of linear equations?
2x+3y-z = 0,
x-4y+5z = 0
Verify that x = 1, y=-1, z = -1 is a solution.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Not enough info.
Can't be solved.
plug in
1 for x
-1 for y
-1 for z to see if the equations work
check
2-3+1 = 0,
0=0
1+4-5 = 0
0=0
ok
yes those numbers are one solution