1. Splash Screen

2. Lesson Menu Five-Minute Check (over Lesson 4–4) Then/Now New Vocabulary Example 1:Solve a Two-Step Equation Example 2:Solve a Two-Step Equation Example 3:Equations with Negative Coefficients Example 4:Combine Like Terms Before Solving Example 5:Standardized Test Example

3. Over Lesson 4–4 Solve –28 = 4x. Check your solution. Solve –42 = 4x +3x. Check your solution. Solve –2(6y) = 144. Check your solution. A forest preserve rents canoes for $18 per hour. Corey has $90 to spend. Write and solve a multiplication equation to find how many hours he can rent a canoe.

4. Over Lesson 4–4 5-Minute Check 1

5. Over Lesson 4–4 5-Minute Check 4 Solve –28 = 4x. Check your solution.

6. Over Lesson 4–4 5-Minute Check 5 Solve –42 = 4x +3x. Check your solution.

7. Over Lesson 4–4 5-Minute Check 5 Solve –2(6y) = 144. Check your solution.

8. Over Lesson 4–4 5-Minute Check 5 A forest preserve rents canoes for $18 per hour. Corey has $90 to spend. Write and solve a multiplication equation to find how many hours he can rent a canoe.

9. Then/Now You have already solved one-step equations. (Lessons 4–3 and 4–4) Solve two-step equations. Solve real-world problems involving two-step equations.

10. Vocabulary two-step equation

11. Example 1 Solve a Two-Step Equation 2m + 8 = 32Write the equation. Solve 2m + 8 = 32. Check your solution. m=12Simplify. 2m = 24Simplify. – 8=– 8Subtraction Property of Equality Division Property of Equality

12. Example 1 A.–70 B.–15 C.15 D.70 Solve 5b + 4 = 79.

13. Example 2 Solve a Two-Step Equation Write the equation. Subtraction Property of Equality w=12Simplify. Simplify. Multiplication Property of Equality Answer: The solution is 12.

14. Example 2 A.1 B.6 C.12 D.30

15. End of the Lesson