MathDB
Simple System

Source: Canadian Mathematical Olympiad 2004 Problem 1

February 23, 2008
algebrasystem of equations

Problem Statement

Find all ordered triples (x,y,z) (x,y,z) of real numbers which satisfy the following system of equations: \left\{\begin{array}{rcl} xy & \equal{} & z \minus{} x \minus{} y \\ xz & \equal{} & y \minus{} x \minus{} z \\ yz & \equal{} & x \minus{} y \minus{} z \end{array} \right.