| 8224 | + | 2160 | ÷ | 125 | − | x | − | 28 | x | ÷ | 500 | = | x |
| 方程左边 = | 8224 | + | 432 25 | − | x | − | 7 125 | x |
| = | 206032 25 | − | 132 125 | x |
206032 25 | − | 132 125 | x | = | x |
| - | 132 125 | x | − | x | = | - | 206032 25 |
| - | 257 125 | x | = | - | 206032 25 |
206032 25 | = | 257 125 | x |
257 125 | x | = | 206032 25 |
| x | = | 206032 25 | ÷ | 257 125 |
| = | 206032 25 | × | 125 257 |
| = | 206032 | × | 5 257 |
| x | = | 1030160 257 |
| x | = | 4008.404669 |