| ( | 17226461 100 | + | X | ) | × | 1 5 | − | 16920 | = | ( | 17226461 100 | + | X | ) | − | 3634889 20 |
| 方程左边 = | 17226461 100 | × | 1 5 | + | X | × | 1 5 | − | 16920 |
| = | 17226461 500 | + | X | × | 1 5 | − | 16920 |
| = | 8766461 500 | + | 1 5 | X |
8766461 500 | + | 1 5 | X | = | ( | 17226461 100 | + | X | ) | − | 3634889 20 |
| 方程右边 = | 17226461 100 | + | X | − | 3634889 20 |
| = | - | 236996 25 | + | X |
8766461 500 | + | 1 5 | X | = | - | 236996 25 | + | X |
1 5 | X | − | X | = | - | 236996 25 | − | 8766461 500 |
| - | 4 5 | X | = | - | 236996 25 | − | 8766461 500 |
| - | 4 5 | X | = | - | 13506381 500 |
13506381 500 | = | 4 5 | X |
4 5 | X | = | 13506381 500 |
| X | = | 13506381 500 | ÷ | 4 5 |
| = | 13506381 500 | × | 5 4 |
| = | 13506381 100 | × | 1 4 |
| X | = | 13506381 400 |
| X | = | 33765.9525 |