Hi,

I'm stuck on a really simple question of changing a plane to a Cartesian form.

<x,y,z>=<1,2,3>+a<-1,1,-1>+b<1,0,1>

Here's what I have so far:

x=1-a+b

y=2+a

z=3-a+b

x-z=-2

From here, I'm stuck finding y in terms of anything. Any attempt to find y in terms of x and z just leads to circles.

Please help!

Thank you!