1. Solve Linear Systems by Adding or Subtracting
Section 7.3

2. Objectives:
Solve systems of linear equations using elimination

3. Key Vocabulary:
System of linear equations

4. Example 1:
Solve the linear system using the elimination method.

5. Example 2:
Solve the linear system.

6. Example 3:
Solve the linear system.

7. #1: Solve the linear system.

8. #2: Solve the linear system.

9. #3: Solve the linear system.

10. #4: Solve the linear system.

11. #5: Solve the linear system.

12. #6: Solve the linear system.

13. Example 3:
During a kayaking trip, a kayaker travels 12 miles upstream (against the current) and 12 miles downstream (with the current), as shown. The speed of the current remains constant during the trip. Find the average speed of the kayak in still water and the speed of the current.

14. Homework Assignment
Section 7.3 Worksheet