JEE Main 20198 Apr, Evening shiftMathematicsEasyCoordinate Geometry478× since 2002
If the system of linear equations
x – 2y + kz = 1
2x + y + z = 2
3x – y – kz = 3
has a solution (x,y,z), z 0, then (x,y) lies on
the straight line whose equation is :