Solving equations

Question 1

Solve: x ÷ 2 = 11

x = 

Question 2

Zara has $261 saved and adds $25 each week. After how many weeks will Zara have $611?

Answer 

Question 3

Solve: 9x = 18

x = 

Question 4

A phone plan costs $8 per month plus $5 per GB of data. One month's bill was $73. How many GB were used?

Answer 

Question 5

Solve and check by substituting: 5x − 7 = −52

x = 

Question 6

Solve: 8x + 5 = 69

x = 

Question 7

Solve: (2/3)x = 4

x = 

Question 8

Solve: 23 − 3x = 38

x = 

Question 9

A rectangular dog run is 3 m wide. Its perimeter is 86 m. Use 2L + 6 = 86 to find its length L, in m.

Answer 

Question 10

Solve: y + 7.4 = 11.6

y = 

Question 11

Solve: x/3 − 6 = −6

x = 

Question 12

Solve: 7x + 3 = 52

x = 

Question 13

Solve: x + 44 = 112

x = 

Question 14

Solve: 2x + 12 = 30

x = 

Question 15

Solve: x + 3/4 = 2. Give x as a fraction or mixed number in simplest form.

Answer (as a fraction)

Question 16

Solve: x ÷ 9 = 5

x =