| ( | 2 | − | 3 | x | ) | ÷ | 4 | − | ( | x | − | 5 | ) | ÷ | 3 | = | 1 |
| 方程左边 = | 2 | × | 1 4 | − | 3 | x | × | 1 4 | − | ( | x | − | 5 | ) | × | 1 3 |
| = | 1 2 | − | 3 4 | x | − | ( | x | − | 5 | ) | × | 1 3 |
| = | 1 2 | − | 3 4 | x | − | x | × | 1 3 | + | 5 | × | 1 3 |
| = | 1 2 | − | 3 4 | x | − | x | × | 1 3 | + | 5 3 |
| = | 13 6 | − | 13 12 | x |
13 6 | − | 13 12 | x | = | 1 |
| - | 13 12 | x | = | 1 | − | 13 6 |
| - | 13 12 | x | = | - | 7 6 |
7 6 | = | 13 12 | x |
13 12 | x | = | 7 6 |
| x | = | 7 6 | ÷ | 13 12 |
| = | 7 6 | × | 12 13 |
| = | 7 | × | 2 13 |
| x | = | 14 13 |
| x | = | 1.076923 |