Source: Kaplan GED Test Prep 2022–2023 by Caren Van Slyke Authority Tier: Commercial Preparation (
TIER_3_COMMERCIAL) | License: Restricted Reference (RESTRICTED) Coverage: Chapter 6: Equations, Inequalities, and Functions (Pages 763–845) Curriculum Standard: High School Equivalency Preparation
Kaplan Reference: Chapter 6: Equations, Inequalities, and Functions
Lesson 1: Equations
(Page 763)
CHAPTER 6 Equations, Inequalities, and Functions Lesson 1: Equations Writing and Solving One-Step Equations An equation is a mathematical statement that two expressions are equal. Key Ideas An equation states that two expressions are equal. To solve an equation, isolate the variable by applying inverse operations to both sides of the equation. Check your work by substituting your solution for the variable in the original equation and simplifying. Examples:
An equation can contain one or more variables. Solving an equation means finding a value for the variable that will make the equation true.
Lesson 1: Equations
(Page 764)