Basic circuit analysis superposition rule Why is solving for V3 negative boxed in

Question

Basic circuit analysis, superposition rule.

Why is solving for V3 negative, boxed in

red?

Is it due to the original circuit flow from the figure. Please clarify

CHAPTER hay6611X_ch05.qxd 11/14/2005 05:46 Page 121 Useful Circuit
5
Analysis Techniques
KEY CONCEPTS INTRODUCTION
The techniques of nodal and mesh analysis described in Chap. 4
are reliable and…
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