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Unit 3 HW 6: Equations w/Variables on Both Sides

Authored by Samantha Nixon

Mathematics

8th Grade

CCSS covered

Used 1+ times

Unit 3 HW 6: Equations w/Variables on Both Sides
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the first thing you will do on this equation?

-11x + 9 = -2x + 45

Inverse operations to collect variables

Inverse operations to collect constants

Solve by isolating the variable

Divide both sides by -11

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What step has the error?

8n - 8 = 4n + 20

Step 1: 4n - 8 = 20

Step 2: 4n = 12

Step 3: n = 3

Step 1

Should be

12n - 8 = 20

Step 2

Should be 4n = 28

Step 3

Should be n = 6

Step 1

Should be

8n = 4n + 12

Tags

CCSS.HSA.REI.A.1

3.

FILL IN THE BLANK QUESTION

1 min • 5 pts

22 + 54x = -20 + 60x

4.

FILL IN THE BLANK QUESTION

1 min • 5 pts

-5x - 16 = 8x - 3

5.

FILL IN THE BLANK QUESTION

30 sec • 5 pts

 2x + 17 = 3x+92x\ +\ 17\ =\ 3x+9  

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

22 + 54x = 10(6x - 2)

x = 7

x = 11

x = -2

x = 8

7.

FILL IN THE BLANK QUESTION

1 min • 5 pts

6 + 8(x-1) = 2(3x + 4)

Tags

CCSS.8.EE.C.7B

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