| X | ÷ | 103 100 | × | 3 100 | + | ( | 1 | − | X | ) | ÷ | 113 100 | × | 13 100 | = | 1 | ÷ | 109 100 | × | 9 100 |
| 方程左边 = | X | × | 3 103 | + | ( | 1 | − | X | ) | × | 13 113 |
3 103 | X | + | ( | 1 | − | X | ) | × | 13 113 | = | 1 | ÷ | 109 100 | × | 9 100 |
| 方程左边 = | 3 103 | X | + | 1 | × | 13 113 | − | X | × | 13 113 |
| = | 3 103 | X | + | 13 113 | − | X | × | 13 113 |
| = | - | 1000 11639 | X | + | 13 113 |
| - | 1000 11639 | X | + | 13 113 | = | 1 | ÷ | 109 100 | × | 9 100 |
| 方程右边 = | 9 109 |
| - | 1000 11639 | X | + | 13 113 | = | 9 109 |
| - | 1000 11639 | X | = | 9 109 | − | 13 113 |
| - | 1000 11639 | X | = | - | 400 12317 |
400 12317 | = | 1000 11639 | X |
1000 11639 | X | = | 400 12317 |
| X | = | 400 12317 | ÷ | 1000 11639 |
| = | 400 12317 | × | 11639 1000 |
| = | 2 12317 | × | 11639 5 |
| X | = | 23278 61585 |
| X | = | 206 545 |
| X | = | 0.377982 |