| ( | X | − | 4888 5 | − | 5000 | ) | × | 3 100 | = | X | − | 10776 | − | 4888 5 |
| 方程左边 = | X | × | 3 100 | − | 4888 5 | × | 3 100 | − | 5000 | × | 3 100 |
| = | X | × | 3 100 | − | 3666 125 | − | 150 |
| = | 3 100 | X | − | 22416 125 |
3 100 | X | − | 22416 125 | = | X | − | 10776 | − | 4888 5 |
| 方程右边 = | X | − | 58768 5 |
3 100 | X | − | 22416 125 | = | X | − | 58768 5 |
3 100 | X | − | X | = | - | 58768 5 | + | 22416 125 |
| - | 97 100 | X | = | - | 58768 5 | + | 22416 125 |
| - | 97 100 | X | = | - | 1446784 125 |
1446784 125 | = | 97 100 | X |
97 100 | X | = | 1446784 125 |
| X | = | 1446784 125 | ÷ | 97 100 |
| = | 1446784 125 | × | 100 97 |
| = | 1446784 5 | × | 4 97 |
| X | = | 5787136 485 |
| X | = | 11932.239175 |