| ( | ( | 180 | ÷ | X | ) | + | 1 | ) | × | 34 25 | = | 11 2 |
| ( | 180 | ÷ | X | ) | × | 34 25 | + | 1 | × | 34 25 | = | 11 2 |
| ( | 180 | ÷ | X | ) | × | 34 25 | + | 34 25 | = | 11 2 |
| 180 | ÷ | X | × | 34 25 | + | 34 25 | = | 11 2 |
1224 5 | ÷ | X | + | 34 25 | = | 11 2 |
| 方程两边同时乘以: | X |
1224 5 | + | 34 25 | X | = | 11 2 | X |
34 25 | X | − | 11 2 | X | = | - | 1224 5 |
| - | 207 50 | X | = | - | 1224 5 |
1224 5 | = | 207 50 | X |
207 50 | X | = | 1224 5 |
| X | = | 1224 5 | ÷ | 207 50 |
| = | 1224 5 | × | 50 207 |
| = | 136 | × | 10 23 |
| X | = | 1360 23 |
| X | = | 59.130435 |