Lesson 2-4 "Variables and Equations"
Part 1 "Classifying Types of Equations"


1. Read the part in the book !
2. Equation has an equal (=) sign
3. Equations are true, false, or open sentences

Part 2 "Checking Equations Using Substitution"
4. Read the part in the book !
5. Solution = value(s) for variable(s)
    that make equation true

This page was last modified 09/14/07