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NOTES: Equations w/Distributive Property

NOTES: Equations w/Distributive Property

Assessment

Presentation

•

Mathematics

•

9th Grade

•

Practice Problem

•

Medium

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CCSS
7.EE.B.4A, 6.EE.A.3

Standards-aligned

Created by

Mary Rico

Used 78+ times

FREE Resource

12 Slides • 10 Questions

1

​Solving Equations with Distribution

​Algebra 1

​Ms. Rico

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2

Fill in the Blanks

WARM-UP:

Solve 24=15−3x24=15-3x  

Type answer...

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Distributive Property​
  • The Distributive Property means to multiply the number outside the parentheses with each number inside the parentheses. Then simplify and solve.

    ​

  • Distirbute means to multiply. One way to remember distributive property is to think about a "Rainbow" or multiply the outside number with each number on the inside.

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​Example 1
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​Example 2
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​Example 3
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​Example 4
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​Example 5

8

Multiple Choice

Use the distributive Property. Which is the correct answer?

  2(x+3)2\left(x+3\right)  

1

2x+32x+3  

2

2x+62x+6  

3

2x+52x+5  

9

Multiple Choice

Use the distributive Property. Which is the correct answer?

  −4(−4x−5)-4\left(-4x-5\right)  

1

  −16x+20-16x+20  

2

  16+2016+20  

3

  16x+2016x+20  

4

  16x−2016x-20  

10

Multiple Choice

Use the distributive Property. Which is the correct answer?

  −(x−8)-\left(x-8\right)  

1

−x−8-x-8  

2

  −x+8-x+8  

3

x+8x+8  

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Steps for Solving Two-Step equations with Distribution

​Step 1: Distribute

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Step 2: Use inverse operations to Add or Subtract

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Step 3: Use inverse operations to Multiply or Divide

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Step 4: Variable should be by itself. Woo Hoo!!!

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​Example 6
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​Example 7
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14

Fill in the Blanks

Use the distributive Property. What is the value of x?

  2(x+2)=262\left(x+2\right)=26  

Type answer...

15

Fill in the Blanks

Solve for x.

  24=4(x+2)24=4\left(x+2\right)  

Type answer...

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​Example 8
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​Example 9
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Fill in the Blanks

Solve for x.

  −3(7x−5)=99-3\left(7x-5\right)=99  

Type answer...

19

Fill in the Blanks

Solve for x.

  −10=−5(−4x+1)-10=-5\left(-4x+1\right)  

Type answer...

20

Fill in the Blanks

Solve for x.

  −5(7x−9)−6=144-5\left(7x-9\right)-6=144  

Type answer...

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​Example 10
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Fill in the Blanks

Solve for x.

  −(5x−8)=−22-\left(5x-8\right)=-22  

Type answer...

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​Solving Equations with Distribution

​Algebra 1

​Ms. Rico

media

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