Download presentation

Presentation is loading. Please wait.

Published byDenis Bond Modified over 7 years ago

1
Lesson 2 Contents Example 1Solve a Two-Step Equation Example 2Solve Two-Step Equations Example 3Solve Two-Step Equations Example 4Equations with Negative Coefficients

2
Example 2-1a Method 1 Use a model. Remove 1-tile from the mat. Solve

3
Example 2-1a Separate the remaining tiles into 5 equal groups. There are 5 tiles in each group.

4
Example 2-1a Method 2 Use symbols. Use the Subtraction Property of Equality. Use the Division Property of Equality. Write the equation. Subtract 1 from each side. Simplify. Divide each side by 5. Answer: The solution is 5.

5
Example 2-1b Answer: 6 Solve

6
Example 2-2a Method 1 Vertical Method Write the equation. Add 8 to each side. Simplify. Divide each side by 2. Simplify. Check your solution. Solve

7
Example 2-2a Answer: The solution is 21. Method 2 Horizontal Method Write the equation. Add 8 to each side. Simplify. Divide each side by 2. Simplify. The sentence is true. Write the equation. Check Replace n with 21.

8
Example 2-2b Answer: 9 Check your solution. Solve

9
Example 2-3a Write the equation. Subtract 2 from each side. Simplify. Multiply each side by 3. Simplify. Answer: The solution is –18. Solve

10
Example 2-3b Answer: –26 Solve

11
Example 2-4a Answer: The solution is –2. Write the equation. Subtract 8 from each side. Simplify. Divide each side by –3. Simplify. Definition of subtraction Solve

12
Example 2-4b Answer: –3 Solve

13
Example 2-4b Check your solution. Write the equation. Combine like terms; Simplify. Divide each side by 2. Add 2 to each side. Identity Property; Simplify. Solve

14
Example 2-4b Answer: The solution is 8. Write the equation. Multiply. The statement is true. Check Replace k with 8.

15
Example 2-4b Answer: 5 Solve

16
End of Lesson 2

Similar presentations

© 2023 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google