1. Algebra 2 3-2 Solving Systems with Substitution, Elimination

2. Vocabulary Substitution – A method used to solve systems of equations

3. Substitution - Example

7. Substitution - Practice

8. Elimination - Introduction

9. Vocabulary Elimination with Addition – Adding two equations in a system together to eliminate a variable and solve the equation

10. Elimination - Example

14. Elimination - Practice

17. Vocabulary Elimination with Multiplication – Using the multiplication property of equality and addition in a system together to eliminate a variable and solve the equation

18. Elimination - Example

20. Elimination - Practice

23. Elimination - Summary

24. Strategy First SituationMethod GraphGraphing Variable with coefficient of one Substitution Variable with opposite coefficients Addition Variable with matching coefficients Subtraction No matching coefficientsMultiplication

25. 3x-y=14 x-y=2 Strategy Practice

26. x+2y=-9 y=4x Strategy Practice

27. x=-2y 4x+4y=-10 Strategy Practice

28. 2x-3y=42 3x+2y=24 Strategy Practice

29. 4x-4y=-10 2x+4y=-2 Strategy Practice

30. Homework Pages 194 – 197 15, 16, 19 – 22, 28 – 31, 34, 38, 55, 56