1. 3.2 Solve Linear Systems Algebraically The Substitution Method

2. Substitution To replace one thing with another of equal value.

3. Substitution To replace one thing with another of equal value.

4. Solve a Linear System Using Substitution Identify a term with a coefficient of 1 or -1

5. Solve a Linear System Using Substitution Solve that equation for that variable Substitute this expression in the OTHER equation Solve

6. Solve a Linear System Using Substitution Substitute this value in the altered equation Simplify

7. Solve a Linear System Using Substitution (-30, 11) Write the solution as an ordered pair

8. Example 2 (4, 4)

9. Example 3  Means the solution does not exist Nonsense!

10. Example 3 y=1/2x - 7/2 Means there are infinitely many solutions True, but not helpful.

11. assignment p. 164 # 1 - 11 odd