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Dependent Voltage Source KCL question

 
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Apr22-10, 10:00 PM   #1
 

Dependent Voltage Source KCL question


I'm having trouble figuring out the KCL portion of this problem.

I have no idea how in the world the solution does from;

(2-v)/20 = (Vx-2Vx)/8 - (Vx-8)/4

to;

17V - 18Vx = 84

it doesn't seem to make sense; but neither does my solution. i think i'm missing some concept here but cannot put my figure on it.

Thanks.
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Apr23-10, 11:07 AM   #2
 
By eyeballing it, I'd say the solutions manual probably multiplied the entire equation by some constant to make all the fractions go away.
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