Homework Statement
Here is the circuit
http://i.imgur.com/Xn2mc.jpg
The Attempt at a Solution
I've tried it a few ways, but the one I'm going for at the moment is this
Node 1: (v1-v2)/10 + (v1-v3)/15 + v1 /5 = 1
Node 2: (v2-v1)/10 + (v2-v3)/10 + v2 / 5 = 2
Node 3: 2Vx where Vx = (v2...