| 396 | + | 110391 100 | + | 7 100 | x | = | x |
| 方程左边 = | 149991 100 | + | 7 100 | x |
149991 100 | + | 7 100 | x | = | x |
7 100 | x | − | x | = | - | 149991 100 |
| - | 93 100 | x | = | - | 149991 100 |
149991 100 | = | 93 100 | x |
93 100 | x | = | 149991 100 |
| x | = | 149991 100 | ÷ | 93 100 |
| = | 149991 100 | × | 100 93 |
| = | 49997 | × | 1 31 |
| x | = | 49997 31 |
| x | = | 1612.806452 |