I really don't understand exactly how they got the term highlighted in yellow.(adsbygoogle = window.adsbygoogle || []).push({});

We want to get all values for all of the currents coming into or out of the node...so why does it have what appears to be the voltage across the 1 ohm resistor divided by the equivalent resistance of the 1 ohm and 4 ohm?

Wouldn't the current out that branch be vo/5 anyway?

Someone please help.

Thank you guys.

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# Node Voltage Method in Circuit Analysis

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