29816 5 | × | 23 25 | X | = | 5 4 | ( | 15979771 100 | + | 1720 | X | ) |
| 方程左边 = | 685768 125 | X |
685768 125 | X | = | 5 4 | ( | 15979771 100 | + | 1720 | X | ) |
| 方程右边 = | 5 4 | × | 15979771 100 | + | 5 4 | × | 1720 | X |
| = | 15979771 80 | + | 2150 | X |
685768 125 | X | = | 15979771 80 | + | 2150 | X |
685768 125 | X | − | 2150 | X | = | 15979771 80 |
417018 125 | X | = | 15979771 80 |
| X | = | 15979771 80 | ÷ | 417018 125 |
| = | 15979771 80 | × | 125 417018 |
| = | 15979771 16 | × | 25 417018 |
| X | = | 399494275 6672288 |
| X | = | 59.873656 |