| 8224 | + | 8224 | × | 28 | ÷ | 500 | − | 28 | x | ÷ | 500 | = | x |
| 方程左边 = | 8224 | + | 57568 125 | − | 7 125 | x |
| = | 1085568 125 | − | 7 125 | x |
1085568 125 | − | 7 125 | x | = | x |
| - | 7 125 | x | − | x | = | - | 1085568 125 |
| - | 132 125 | x | = | - | 1085568 125 |
1085568 125 | = | 132 125 | x |
132 125 | x | = | 1085568 125 |
| x | = | 1085568 125 | ÷ | 132 125 |
| = | 1085568 125 | × | 125 132 |
| = | 8224 | × | 1 |
| x | = | 8224 |