Here is the substitution of your equation (2) into equation (1) in the kind of detail you should have shown. You just haven't shown enough detail to make it easy to follow what you did.(adsbygoogle = window.adsbygoogle || []).push({});

At the point where you have "(1) + (2) =" you made a simple arithmetic mistake. You should have added .5 and .25 and gotten .75, but you made a mistake.

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# Homework Help: Node analysis

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