| 543 | ( | X | + | 59 1000 | ) | = | 560 | X |
| 方程左边 = | 543 | X | + | 543 | × | 59 1000 |
| = | 543 | X | + | 32037 1000 |
| 543 | X | + | 32037 1000 | = | 560 | X |
| 543 | X | − | 560 | X | = | - | 32037 1000 |
| - | 17 | X | = | - | 32037 1000 |
32037 1000 | = | 17 | X |
| 17 | X | = | 32037 1000 |
| X | = | 32037 1000 | ÷ | 17 |
| = | 32037 1000 | × | 1 17 |
| X | = | 32037 17000 |
| X | = | 1.884529 |