| x | × | 999 100 | + | ( | 308 | − | x | ) | × | 1199 100 | = | 1019 100 |
| 方程左边 = | 999 100 | x | + | 308 | × | 1199 100 | − | x | × | 1199 100 |
| = | 999 100 | x | + | 92323 25 | − | x | × | 1199 100 |
| = | - | 2 | x | + | 92323 25 |
| - | 2 | x | + | 92323 25 | = | 1019 100 |
| - | 2 | x | = | 1019 100 | − | 92323 25 |
| - | 2 | x | = | - | 368273 100 |
368273 100 | = | 2 | x |
| 2 | x | = | 368273 100 |
| x | = | 368273 100 | ÷ | 2 |
| = | 368273 100 | × | 1 2 |
| x | = | 368273 200 |
| x | = | 1841.365 |