Unit 2 Chapter 2 Section 6 Solving Equations involving the Distributive Property.notebook October 27, 2015

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Unit 2 Chapter 2 Section 6 Solving Equations involving the Distributive Property.notebook
October 27, 2015
Bellringer:
Which problem situation matches the equation below?
2x + 3 = 21
A. Jill is 3 years more than twice as old as Ryan. Jill is 21 years old. How old is Ryan?
B. Brian has scored 2 points more than 3 times as many point as Kenny. Kenny has scored 21 points. How many points has Brian scored?
C. Drew paid $2 more than Joey for tickets to a play. Rich's tickets cost him 3 times as much as Drew's tickets. Rich paid $21. How much did Joey pay for his tickets?
D. Natalie worked 2 hours more than 3 times as many hours as Kristen. Natalie worked 21 hours. How many hours did Kristen work?
Jul 26­12:38 PM
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Unit 2 Chapter 2 Section 6 Solving Equations involving the Distributive Property.notebook
October 27, 2015
Check Your Homework
Jun 6­7:28 PM
2
Unit 2 Chapter 2 Section 6 Solving Equations involving the Distributive Property.notebook
October 27, 2015
Unit 2
Chapter 2 Section 5
Solving Equations Involving the Distributive Property
Objective: To solve equations of the form p(x + q) = r using the
Distributive Property.
Remember the Distributive Property: p(x + q) = px + pq
Arithmetic
4(5 + 9) = 4(5) + 4(9)
4(14) = 20 + 36
56 = 56
Algebra
4(x + 5) = 4x + 20
Jun 6­8:17 PM
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Unit 2 Chapter 2 Section 6 Solving Equations involving the Distributive Property.notebook
October 27, 2015
Examples:
Solving Equations involving the distributive property
1) 10(a ­ 6) = ­25
2) ­4.5 = ­3(b + 15)
1
3) 8 (c ­ 16) = 340 2
5) 6(x + 2) + 6x = 24
4) 10(2.2 ­ b) = 1.52
6) 23 = 3(4x + 1) ­ 2x
Jun 10­10:28 AM
4
Unit 2 Chapter 2 Section 6 Solving Equations involving the Distributive Property.notebook
October 27, 2015
Homework
Practice Worksheet 2­6
Jun 10­11:25 AM
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