Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - Summary Exercises on Solving Equations - Exercises - Page 149: 21


$\color{blue}{\left\{x|x \ne 3\right\}}$

Work Step by Step

The value of $x$ cannot be $3$ as it will make the denominator zero. Since any quantity is equal to itself, then the given equation is an identity. Thus, the value of $x$ can be any number except $3$. Therefore, the solution set is: $\color{blue}{\left\{x|x \ne 3\right\}}$.
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