| m | − | 24 5 | ÷ | ( | - | 12 5 | ) | × | m | ÷ | ( | - | 6 | ) | = | - | 1 |
| 方程两边同时乘以: | ( | - | 12 5 | ) |
| m | ( | - | 12 5 | ) | − | 24 5 | m | ÷ | ( | - | 6 | ) | = | - | 1 | ( | - | 12 5 | ) |
| - | m | × | 12 5 | − | 24 5 | m | ÷ | ( | - | 6 | ) | = | - | 1 | ( | - | 12 5 | ) |
| - | m | × | 12 5 | − | 24 5 | m | ÷ | ( | - | 6 | ) | = | 1 | × | 12 5 |
| - | m | × | 12 5 | − | 24 5 | m | ÷ | ( | - | 6 | ) | = | 12 5 |
| 方程两边同时乘以: | ( | - | 6 | ) |
| - | 12 5 | m | ( | - | 6 | ) | − | 24 5 | m | = | 12 5 | ( | - | 6 | ) |
12 5 | m | × | 6 | − | 24 5 | m | = | 12 5 | ( | - | 6 | ) |
12 5 | m | × | 6 | − | 24 5 | m | = | - | 12 5 | × | 6 |
72 5 | m | − | 24 5 | m | = | - | 72 5 |
48 5 | m | = | - | 72 5 |
| m | = | - | 72 5 | ÷ | 48 5 |
| = | - | 72 5 | × | 5 48 |
| = | - | 3 | × | 1 2 |
| m | = | - | 3 2 |
| m | = | - 1.5 |