1. 2
Understanding Variables and Solving Equations

2. R.1 Fractions
2.4 Solving Equations Using Division
Objectives
Solve equations using the division property of equality.
Simplify equations before using the division property of equality.
Solve equations such as –x = 5.

3. Solve equations using the division property of equality.

4. Solve equations using the division property of equality.
Solve the equation 4s = 24. Check the solution.
Example

5. Solve equations using the division property of equality.
(continued) Check the solution.
Example

6. Solve equations using the division property of equality.
Solve the equation 42 = –6w. Check the solution.
Example

7. Solve equations using the division property of equality.
(continued) Check the solution.
Example
Original equation
Replace w with –7.
Balances

8. Simplify equations before using the division property of equality.
Solve the equation 4y – 7y = –12. Check the solution.
Example

9. Simplify equations before using the division property of equality.
(continued) Check the solution.
Example

10. Simplify equations before using the division property of equality.
Solve the equation 3 – = h + 7h. Check the solution.
Example

11. Simplify equations before using the division property of equality.
(continued) Check the solution.
Example

12. Solve equations such as –x = 5.
Solve the equation –x = 5. Check the solution.
Example

13. Solve equations such as –x = 5.
(continued) Check the solution.
Example