Lessons

Understand equations using a number line
In this lesson, you will learn that an equation has one solution by using a number line.
Resources
Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.
In this lesson, you will learn that an equation has one solution by using a number line.