| A | B |
| 3 times a number | 3x |
| 3 more than a number | x + 3 |
| 3 decreased by a number | 3 - x |
| 3 less than a number | x - 3 |
| one third of a number | 1/3x |
| 8 more than 3 times a number | 3x + 8 |
| 8 less than 3 times a number | 3x - 8 |
| 5 times a number, increased by 8 | 5x + 8 |
| 5 times the sum of a number and 8 | 5(x + 8) |
| 5 more than 8 times a number | 8x + 5 |
| 8 times the sum of a number and 5 | 8(x +5) |
| twice the sum of 5 times a number and 8 | 2(5x + 8) |
| 2 more than five eighths of a number | 5/8x + 2 |
| 8 times the sum of twice a number and 5 | 8(2x + 5) |
| 7 less than 4 times a number | 4x - 7 |
| 7 decreased by 4 times a number | 7 - 4x |
| 9 less than twice a number | 2x - 9 |
| 9 decreased by twice a number | 9 - 2x |
| 9 less than half a number | 1/2x - 9 |
| 7 times a number, increased by 4 | 7x + 4 |
| 7 times a number, increased by 4 times the number | 7x + 4x |