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Lesson 1: Solving equations with variables on one side.

Authored by Anonymous Anonymous

Mathematics

9th - 12th Grade

Used 9+ times

Lesson 1: Solving equations with variables on one side.
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

.

x=21x=21

x=21x=-21

x=18x=18

x=13x=-13

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

.

x=4x=4

x=4x=-4

x=6x=6

x=8x=-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

.

x=2x=2

x=4x=-4

x=9x=9

x=11x=11

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number do you cancel first? and what is the value of x?

 First cancel the  1. The value of x=30First\ cancel\ the\ -\ 1.\ The\ value\ of\ x=30  

 First cancel the 12. The value of x=22First\ cancel\ the\ -12.\ The\ value\ of\ x=22  

 First cancel the 3. The value of x=9First\ cancel\ the\ 3.\ The\ value\ of\ x=-9  

 Cancel any number, the order doesnt matter. The value of x = 2Cancel\ any\ number,\ the\ order\ doesn't\ matter.\ The\ value\ of\ x\ =\ 2   x=13x=13  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is correct?

(3x-1)+7=42

(3x-1)=35

3x=36

x=12

(3x-1)+7=42

(3x-1)=49

3x=50

x=12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true? What is the value of x?

To cancel the factor 2/3 we can multiply both sides of the equation by its reciprocal 3/2. The value of x=6

To cancel the factor 2/3 we can multiply both sides of the equation by -2/3 The value of x=6

To cancel the -8 we can subtract 8 on both sides. The value of x=-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method of solving is correct?

(-2x+1)+7=2

(-2x+1)=-5

-2x=-6

x=3

(-2x+1)+7=2

(-2x)+7=1

x+7=1/2

x=3

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