| ( | 8224 | − | x | ) | ( | 1 | + | 28 500 | ) | = | x |
| 方程左边 = | 8224 | ( | 1 | + | 28 500 | ) | − | x | ( | 1 | + | 28 500 | ) |
| = | 8224 | × | 1 | + | 8224 | × | 28 500 | − | x | ( | 1 | + | 28 500 | ) |
| = | 8224 | + | 57568 125 | − | x | ( | 1 | + | 28 500 | ) |
| = | 1085568 125 | − | x | ( | 1 | + | 28 500 | ) |
| = | 1085568 125 | − | x | × | 1 | − | x | × | 28 500 |
| = | 1085568 125 | − | 132 125 | x |
1085568 125 | − | 132 125 | x | = | x |
| - | 132 125 | x | − | x | = | - | 1085568 125 |
| - | 257 125 | x | = | - | 1085568 125 |
1085568 125 | = | 257 125 | x |
257 125 | x | = | 1085568 125 |
| x | = | 1085568 125 | ÷ | 257 125 |
| = | 1085568 125 | × | 125 257 |
| = | 1085568 | × | 1 257 |
| x | = | 1085568 257 |
| x | = | 4224 |