| ( | 4 5 | + | X | ÷ | 1000 | + | 200 | ÷ | 1650 | + | 160 | ÷ | 108 | ) | × | 1000 | = | 3 | ( | 770 | + | X | ) |
| 方程左边 = | 4 5 | × | 1000 | + | X | ÷ | 1000 | × | 1000 | + | 200 | ÷ | 1650 | × | 1000 | + | 160 | ÷ | 108 | × | 1000 |
| = | 800 | + | X | × | 1 | + | 4000 33 | + | 40000 27 |
| = | 713600 297 | + | 1 | X |
713600 297 | + | 1 | X | = | 3 | ( | 770 | + | X | ) |
| 方程右边 = | 3 | × | 770 | + | 3 | X |
| = | 2310 | + | 3 | X |
713600 297 | + | 1 | X | = | 2310 | + | 3 | X |
| 1 | X | − | 3 | X | = | 2310 | − | 713600 297 |
| - | 2 | X | = | 2310 | − | 713600 297 |
| - | 2 | X | = | - | 27530 297 |
27530 297 | = | 2 | X |
| 2 | X | = | 27530 297 |
| X | = | 27530 297 | ÷ | 2 |
| = | 27530 297 | × | 1 2 |
| = | 13765 297 | × | 1 |
| X | = | 13765 297 |
| X | = | 46.346801 |