1. 7.1 Solving Systems of Equations
Substitution Method &
Elimination Method
Ref p. 474

2. Substitution method
Given as many equations as variables

3. Substitution method
Given as many equations as variables

4. Substitution method
Given as many equations as variables

5. Substitution method
Given as many equations as variables

6. Elimination Method
Given the Equations

7. Elimination Method
Given the Equations

8. Elimination Method
Given the Equations

9. Elimination Method
Given the Equations

10. Elimination Method
Given the Equations

11. Linear equations
The intersection of two lines is one and only one point, unless the lines are parallel or the same line.

12. What is the Solution(s) if the lines are
Parallel lines not meet, so no solution
The Same line or lines that are onto, meet at all points on the lines, Infinitely many solutions.

13. Solve
Find the Solutions

14. Solve
Find the Solutions

15. Solve
Find the Solutions

16. Solve
Find all the values

17. Solve
Find all the values

18. Solve
Find all the values

19. Homework
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