27 1000 | = | X | ÷ | ( | X | + | 266 | ) |
| 方程两边同时乘以: | ( | X | + | 266 | ) |
27 1000 | ( | X | + | 266 | ) | = | X |
27 1000 | X | + | 27 1000 | × | 266 | = | X |
27 1000 | X | + | 3591 500 | = | X |
27 1000 | X | − | X | = | - | 3591 500 |
| - | 973 1000 | X | = | - | 3591 500 |
3591 500 | = | 973 1000 | X |
973 1000 | X | = | 3591 500 |
| X | = | 3591 500 | ÷ | 973 1000 |
| = | 3591 500 | × | 1000 973 |
| = | 513 | × | 2 139 |
| X | = | 1026 139 |
| X | = | 7.381295 |