| X | ÷ | ( | X | + | 2 | × | 7200 | × | 2259 | ) | = | 9 200 |
| 方程两边同时乘以: | ( | X | + | 2 | × | 7200 | × | 2259 | ) |
| X | = | 9 200 | ( | X | + | 2 | × | 7200 | × | 2259 | ) |
| X | = | 9 200 | X | + | 9 200 | × | 2 | × | 7200 | × | 2259 |
| X | = | 9 200 | X | + | 1463832 |
| X | − | 9 200 | X | = | 1463832 |
191 200 | X | = | 1463832 |
| X | = | 1463832 | ÷ | 191 200 |
| = | 1463832 | × | 200 191 |
| X | = | 292766400 191 |
| X | = | 1532808.376963 |