| 4497 | + | 650 | − | 1102 | ÷ | 4497 | = | x | ÷ | 257 |
| 方程左边 = | 4497 | + | 650 | − | 1102 4497 |
| = | 23144957 4497 |
23144957 4497 | = | x | ÷ | 257 |
| - | 1 257 | x | = | - | 23144957 4497 |
23144957 4497 | = | 1 257 | x |
1 257 | x | = | 23144957 4497 |
| x | = | 23144957 4497 | ÷ | 1 257 |
| = | 23144957 4497 | × | 257 |
| x | = | 5948253949 4497 |
| x | = | 1322716.02157 |