Question 928908
3(5x-3y+z=0)
<u> -15x+9y-3z=0 </u>
0 = 0  Infinite solutions
............
x+y=0   y = -x
let z = a
5x-3y+z=0
5x + 3x + a = 0
x = -a/8
......x = -y
-5y-3y+a=0
y = a/8
Using z = a
(-a/8, a/8, a)