Linear Algebra: A Modern Introduction

Published by Cengage Learning
ISBN 10: 1285463242
ISBN 13: 978-1-28546-324-7

Chapter 1 - Vectors - 1.1 The Geometry and Algebra of Vectors - Exercises 1.1: 46

Answer

$$x=2$$

Work Step by Step

In $\mathbb{Z}_3$, $2\cdot2=1$. Plugging $x=2$ into the equation $2x=1$, it is clear that there is a solution to the equation.
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