| ( | ( | X | − | 5992390 | ) | ÷ | 117 100 | ) | × | 113 100 | = | 7810000 |
| 方程左边 = | ( | X | − | 5992390 | ) | ÷ | 117 100 | × | 113 100 |
| = | ( | X | − | 5992390 | ) | × | 113 117 |
| = | X | × | 113 117 | − | 5992390 | × | 113 117 |
| = | X | × | 113 117 | − | 677140070 117 |
113 117 | X | − | 677140070 117 | = | 7810000 |
113 117 | X | = | 7810000 | + | 677140070 117 |
113 117 | X | = | 1590910070 117 |
| X | = | 1590910070 117 | ÷ | 113 117 |
| = | 1590910070 117 | × | 117 113 |
| = | 1590910070 | × | 1 113 |
| X | = | 1590910070 113 |
| X | = | 14078850.176991001 |