| 1500 | ÷ | X | × | 9 200 | + | ( | X | − | 1500 | ) | ÷ | X | × | 4 25 | = | 1309 10000 |
| 方程两边同时乘以: | X |
| 1500 | × | 9 200 | + | ( | X | − | 1500 | ) | ÷ | 1 | × | 4 25 | × | 1 | = | 1309 10000 | X |
| 1500 | × | 9 200 | + | X | ÷ | 1 | × | 4 25 | × | 1 | − | 1500 | ÷ | 1 | × | 4 25 | × | 1 | = | 1309 10000 | X |
135 2 | + | X | × | 4 25 | − | 240 | = | 1309 10000 | X |
| - | 345 2 | + | 4 25 | X | = | 1309 10000 | X |
4 25 | X | − | 1309 10000 | X | = | 345 2 |
291 10000 | X | = | 345 2 |
| X | = | 345 2 | ÷ | 291 10000 |
| = | 345 2 | × | 10000 291 |
| = | 115 | × | 5000 97 |
| X | = | 575000 97 |
| X | = | 5927.835052 |