SOLUTION: 2x + y - 5z = 10 4x - y + 2z = 12 4x - 4y = 12 Solve these for x, y and z by any method you choose.

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: 2x + y - 5z = 10 4x - y + 2z = 12 4x - 4y = 12 Solve these for x, y and z by any method you choose.      Log On


   

Question 726552: 2x + y - 5z = 10
4x - y + 2z = 12
4x - 4y = 12
Solve these for x, y and z by any method you choose.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x = 71/21, y = 8/21, z = -4/7