3x3 Systems | Back Substitution, Substitution Method, and Elimination Method

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3x3 Systems | Practice Set #1
*https://rumble.com/vera43-3x3-systems-practice-set-1.html

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Timestamps

00:00:50 | Overview

00:08:51 | Substitution Method | Back Substitution
00:13:40 | Practice Questions

00:22:18 | Substitution Method
00:34:13 | Practice Questions

00:54:52 | Elimination Method
01:04:52 | Practice Questions

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