| A | B |
|---|
| the product of 5 and a number | 5x |
| the quotient of 10 and a number | 10/x |
| the difference of 7 and n | 7 - n |
| twice John's age | 2a |
| the sum of 4 and a number | 4 + n |
| 5 less than n | n - 5 |
| Three times the number of yard is 12. | 3y = 12 |
| The number of dogs decreased by 5 is 9 | x - 5 = 9 |
| Five times as many visitors is 20. | 5x = 20 |
| 15 divided by a number is 4. | 15/n = 4 |
