Engineering What is the Correct Setup for a Supernode in a Circuit?

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The discussion revolves around setting up a supernode in a circuit analysis problem. The user has established a voltage difference of V3 - V1 = 10 and is unsure if their supernode equation is correct. They present the equation v1/4 + (v1-v2)/2 + (v2+v3)/2 + (v3/8) = 0 for validation. The user also notes the absence of a circuit diagram, which is crucial for understanding the current source values. Assistance is requested for both the equation and the circuit image clarity.
th3plan
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Ok i have a problem with the supernode. So this is what i done so far

V3-v1=10

now for supernod equation, this is where idk if I am correct

v1/4+ (v1-v2)/2+(v2+v3)/2+(v3/8) = 0


Is this setup right ?

Where do i go from here ?
 
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There's supposed to be an accompanying picture of the circuit, right? You forgot to include that.
 
here i uploaded it, heh. I forgot this is only jpeg :D. Please help me, and explain why this occures
 

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I really can't read the value of the current source in the circuit diagram. Could you enlarge the picture?
 
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