| x | ÷ | ( | 5534451 | − | 9 10 | x | ) | = | 361 2000 |
| 方程两边同时乘以: | ( | 5534451 | − | 9 10 | x | ) |
| x | = | 361 2000 | ( | 5534451 | − | 9 10 | x | ) |
| x | = | 361 2000 | × | 5534451 | − | 361 2000 | × | 9 10 | x |
| x | = | 1997936811 2000 | − | 3249 20000 | x |
| x | + | 3249 20000 | x | = | 1997936811 2000 |
23249 20000 | x | = | 1997936811 2000 |
| x | = | 1997936811 2000 | ÷ | 23249 20000 |
| = | 1997936811 2000 | × | 20000 23249 |
| = | 1997936811 | × | 10 23249 |
| x | = | 19979368110 23249 |