2571 500 | + | ( | X | + | 671 5000 | ) | + | ( | X | + | 1 | ) | × | 1 50 | = | 61 10 |
| 方程左边 = | 2571 500 | + | X | + | 671 5000 | + | ( | X | + | 1 | ) | × | 1 50 |
| = | 26381 5000 | + | X | + | ( | X | + | 1 | ) | × | 1 50 |
| = | 26381 5000 | + | X | + | X | × | 1 50 | + | 1 | × | 1 50 |
| = | 26381 5000 | + | X | + | X | × | 1 50 | + | 1 50 |
| = | 26481 5000 | + | 51 50 | X |
26481 5000 | + | 51 50 | X | = | 61 10 |
51 50 | X | = | 61 10 | − | 26481 5000 |
51 50 | X | = | 4019 5000 |
| X | = | 4019 5000 | ÷ | 51 50 |
| = | 4019 5000 | × | 50 51 |
| = | 4019 100 | × | 1 51 |
| X | = | 4019 5100 |
| X | = | 0.788039 |