1. Warm Up
Solve by graphing
Solve by substitution

2. Homework Check 5.5 14 suitcases 60 boxes 4.5 hours 60 dolls
a) y = 3/4x – 15/4 b) y = -4x + 16
a) m = ¾ b = -15/4 b) m = -4 b = 16

3. Solving Systems by Elimination

4. Elimination
We can solve by elimination by either Adding or Subtracting two equations to eliminate a variable!

5. Example
Solve by Elimination
4, -1

6. Example
Solve by Elimination
-2, 1

7. Try Some!
Solve the systems by elimination
-1,-1
-1, 8

8. Solving with Elimination
Scalar Multiplication

9. Example
Solve the system by elimination.

10. Special Solutions
Solve each system by elimination