| A | B |
|---|
| Three more than a number | n + 3 |
| The difference of 3 and a number | 3 - n |
| Three less than a number | n - 3 |
| The sum of 3 and a number | 3 + n |
| The quotient of a number and 3 | n/3 |
| The product of a number and 3 | 3n |
| The quotient of 3 and a number | 3/n |
| The sum of 3 and a number is 16 | 3 + n = 16 |
| The quotient of a number and 3 is 7 | n/3 = 7 |
| The product of 3 and a number is 21 | 3n = 21 |
| the difference of a number and 3 is 6 | n - 3 = 6 |
