| ( | ( | 130 | ÷ | X | ) | + | 1 | ) | × | 34 25 | = | 11 2 |
| ( | 130 | ÷ | X | ) | × | 34 25 | + | 1 | × | 34 25 | = | 11 2 |
| ( | 130 | ÷ | X | ) | × | 34 25 | + | 34 25 | = | 11 2 |
| 130 | ÷ | X | × | 34 25 | + | 34 25 | = | 11 2 |
884 5 | ÷ | X | + | 34 25 | = | 11 2 |
| 方程两边同时乘以: | X |
884 5 | + | 34 25 | X | = | 11 2 | X |
34 25 | X | − | 11 2 | X | = | - | 884 5 |
| - | 207 50 | X | = | - | 884 5 |
884 5 | = | 207 50 | X |
207 50 | X | = | 884 5 |
| X | = | 884 5 | ÷ | 207 50 |
| = | 884 5 | × | 50 207 |
| = | 884 | × | 10 207 |
| X | = | 8840 207 |
| X | = | 42.705314 |