# Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises - Page 92: 1

$\text{equation}$

#### Work Step by Step

Expressions like $a=2$, $x+4=8$, and $4+2=6$ are equations. Equations involve expressions on two sides that are equal to each other. Thus, the missing expression in the given statement is: $\text{equation}$

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