| 5 | ÷ | 102 | + | X | ÷ | 200 | + | ( | 429 5 | − | X | ) | ÷ | 255 2 | = | 59 100 |
| 方程左边 = | 5 102 | + | X | × | 1 200 | + | ( | 429 5 | − | X | ) | × | 2 255 |
5 102 | + | 1 200 | X | + | ( | 429 5 | − | X | ) | × | 2 255 | = | 59 100 |
| 方程左边 = | 5 102 | + | 1 200 | X | + | 429 5 | × | 2 255 | − | X | × | 2 255 |
| = | 5 102 | + | 1 200 | X | + | 286 425 | − | X | × | 2 255 |
| = | 1841 2550 | − | 29 10200 | X |
1841 2550 | − | 29 10200 | X | = | 59 100 |
| - | 29 10200 | X | = | 59 100 | − | 1841 2550 |
| - | 29 10200 | X | = | - | 673 5100 |
673 5100 | = | 29 10200 | X |
29 10200 | X | = | 673 5100 |
| X | = | 673 5100 | ÷ | 29 10200 |
| = | 673 5100 | × | 10200 29 |
| = | 673 | × | 2 29 |
| X | = | 1346 29 |
| X | = | 46.413793 |