1. Big Ideas 3.4 Solving Equations Using Multiplication and Division

2. Properties of Equality
Multiplication Property of Equality
Division Property of Equality

3. Inverse Operations Undo each other To undo multiplication use the:
Division Property of Equality
To undo Division use the:
Multiplication Property of Equality

4. Example 1: Solve: -7x = 49

5. Always remember to reduce the fractions!!
Example 2: Solve: -12x = -8
Always remember to reduce the fractions!!

6. Example 3: Solve:
Multiply both sides of the equation by the reciprocal of the coefficient

7. Example 4: Solve
Hint: When you divide fractions multiply by its reciprocal

8. Example 5: Solve =5.6x

9. Example 6: Solve y =

10. Ex 7:

11. Ex 8:

12. Homework
Big Ideas Textbook Page 106 (3-23) all