191 10 | × | 1480 | ( | 100 | − | x | ÷ | 2 | ) | = | 2575 |
| 方程左边 = | 28268 | ( | 100 | − | x | ÷ | 2 | ) |
| 28268 | ( | 100 | − | x | ÷ | 2 | ) | = | 2575 |
| 方程左边 = | 28268 | × | 100 | − | 28268 | x | ÷ | 2 |
| = | 2826800 | − | 14134 | x |
| 2826800 | − | 14134 | x | = | 2575 |
| - | 14134 | x | = | 2575 | − | 2826800 |
| - | 14134 | x | = | - | 2824225 |
| 2824225 | = | 14134 | x |
| 14134 | x | = | 2824225 |
| x | = | 2824225 | ÷ | 14134 |
| = | 2824225 | × | 1 14134 |
| x | = | 2824225 14134 |
| x | = | 199.817815 |