Quiz about Balancing Equations with Missing Variable

Question 1

3 x _____ = 12

Accepted Answer

6

Answer

3

Answer

4

Answer

12

Question 2

18 = _____ x 6

Accepted Answer

3

Answer

4

Answer

6

Answer

9

Question 3

25 x 2 = _____ x 5

Accepted Answer

5

Answer

10

Answer

25

Answer

2

Question 4

___+9 = 12+6

Accepted Answer

9

Answer

18

Answer

27

Answer

3

Question 5

21-____ = 15

Accepted Answer

6

Answer

36

Answer

24

Answer

9

Question 6

16+___ = 23-4

Accepted Answer

3

Answer

19

Answer

35

Answer

11

Question 7

15+___ = 13+4

Accepted Answer

2

Answer

17

Answer

8

Answer

12

Question 8

28 = ____ - 2

Accepted Answer

30

Answer

26

Answer

18

Answer

24

Question 9

To solve 13 = x + 5, what do you do to both sides?

Accepted Answer

Subtract 5 from both sides

Answer

Add 5 to both sides

Answer

Subtract 13 from both sides

Answer

Add 13 to both sides

Question 10

To solve 15 = 9 + x, what do you do to both sides?

Accepted Answer

Subtract 9 from both sides

Answer

Subtract 15 from both sides

Answer

Add 15 to both sides

Answer

Add 9 to both sides

Question 11

To solve 15 = -3x, what do you do to both sides?

Accepted Answer

Divide -3 from both sides

Answer

Divide 3 from both sides

Answer

Multiply by 3 on both sides

Answer

Multiply by -3 on both sides

Question 12

To solve 16 = x - 4, what do you do to both sides?

Accepted Answer

add 4 to both sides

Answer

subtract 4 from both sides

Answer

add 16 to both sides

Answer

subtract 16 from both sides

Question 13

When solving equations, mathematicians want to get the variable (x) all by itself.

Accepted Answer

True

Answer

False

Question 14

If you subtract 2 from one side, you have to...

Accepted Answer

subtract 2 from the other side

Answer

add 2 to the other side

Answer

multiply 2 on the other side

Answer

divide 2 from the other side

Question 15

If you multiply one side by negative 11, you have to multiply the other side by negative 11.

Accepted Answer

True

Answer

False

Balancing Equations with Missing Variable

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