#1. d istributive p roperty 4(3 – 2) #2. s implify t he e xpression 3 x + 2 x + 4 – 1 #3.s olve...

#1. DISTRIBUTIVE PROPERTY 4(3 – 2) #2. SIMPLIFY THE EXPRESSION 3X + 2X + 4 – 1 #3. SOLVE FOR X -4 + X = 10 #4. SOLVE FOR M -5M = 20 Bell Ringer Sit wherever you would like today All behavior rules still apply. DO NOT MOVE THE DESKS!

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#1. DISTRIBUTIVE PROPERTY

4(3 – 2)#2. SIMPLIFY THE EXPRESSION

3X + 2X + 4 – 1#3. SOLVE FOR X

-4 + X = 10#4. SOLVE FOR M

-5M = 20

Bell RingerSit wherever you would like today All

behavior rules still apply. DO NOT MOVE THE DESKS!

Page 2: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

GROUP RULES

Page 3: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

HOMEWORK REVIEW

Page 4: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

HOMEWORK REVIEW

Page 5: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

INTRODUCTION TO 4.5: SOLVING 2 STEP EQUATIONS

R drive > Key > Week 6 > Wednesday > Intro to 4.5 PowerPoint

File > Save As > P drive > math > Week 6 > Intro to 4.5 PowerPoint

Page 6: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

I’M THINKING OF A NUMBER…..

If you multiply it by 3 and add 2, the result is 8

* To solve the problem, you can use the “work backwards strategy”. Undo each operation in reverse order.

Page 7: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

Page 8: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

2X + 2 = 12

Page 9: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

9 = 4 + 5X

Page 10: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

Page 11: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

4X + 3 = -9

Page 12: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

3X – 3 = 6

Page 13: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

WITH YOUR PARTNER Solve the following equations on a sheet of

paper using Algebra Tiles. For each problem: (1) Write the equation (2) Draw a picture of what you did (3) Write the solution

#1. 3x + 6 = 15 #2. -6 = 2x + 4 #3. 2x + -1 = 7 #4. -3x + 1 = -8

Page 14: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

A FEW NOTES…..A 2 step equation contains 2

operations. To solve a 2 step equation, use inverse operations to undo each in reverse order of

the order of operations.

Page 15: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

EXAMPLE 1SOLVE 3A + 9 = 33. CHECK YOUR SOLUTION

Page 16: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

YOUR TURN

Page 17: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

EXAMPLE 2

Page 18: #1. D ISTRIBUTIVE P ROPERTY 4(3 – 2) #2. S IMPLIFY T HE E XPRESSION 3 X + 2 X + 4 – 1 #3.S OLVE FOR X -4 + X = 10 #4.S OLVE FOR M -5 M = 20 Bell Ringer

HOMEWORK SECTION 4.5 # 1-6

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