67 25 | × | 1073 500 | = | 73 50 | ( | x | + | 1073 500 | ) |
| 方程左边 = | 71891 12500 |
71891 12500 | = | 73 50 | ( | x | + | 1073 500 | ) |
| 方程右边 = | 73 50 | x | + | 73 50 | × | 1073 500 |
| = | 73 50 | x | + | 78329 25000 |
71891 12500 | = | 73 50 | x | + | 78329 25000 |
| - | 73 50 | x | = | 78329 25000 | − | 71891 12500 |
| - | 73 50 | x | = | - | 65453 25000 |
65453 25000 | = | 73 50 | x |
73 50 | x | = | 65453 25000 |
| x | = | 65453 25000 | ÷ | 73 50 |
| = | 65453 25000 | × | 50 73 |
| = | 65453 500 | × | 1 73 |
| x | = | 65453 36500 |
| x | = | 1.793233 |