1. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley P.3 Linear Equations and Inequalities

2. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 2 Quick Review

3. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 3 Quick Review Solutions

4. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 4 What you’ll learn about Equations Solving Equations Linear Equations in One Variable Linear Inequalities in One Variable … and why These topics provide the foundation for algebraic techniques needed throughout this textbook.

5. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 5 Properties of Equality

6. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 6 Linear Equations in x A linear equation in x is one that can be written in the form ax + b = 0, where a and b are real numbers with a ≠ 0.

7. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 7 Operations for Equivalent Equations

8. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 8 Example Solving a Linear Equation Involving Fractions

9. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 9 Example Solving a Linear Equation Involving Fractions

10. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 10 Linear Inequality in x

11. Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Slide P- 11 Properties of Inequalities