121278821 50000 | = | x | + | 1 10 | x |
| 方程右边 = | 11 10 | x |
121278821 50000 | = | 11 10 | x |
| - | 11 10 | x | = | - | 121278821 50000 |
121278821 50000 | = | 11 10 | x |
11 10 | x | = | 121278821 50000 |
| x | = | 121278821 50000 | ÷ | 11 10 |
| = | 121278821 50000 | × | 10 11 |
| = | 121278821 5000 | × | 1 11 |
| x | = | 121278821 55000 |
| x | = | 2205.069473 |