391 100 | ( | 1 | + | x | ) | = | 17093 100 |
| 方程左边 = | 391 100 | × | 1 | + | 391 100 | x |
| = | 391 100 | + | 391 100 | x |
391 100 | + | 391 100 | x | = | 17093 100 |
391 100 | x | = | 17093 100 | − | 391 100 |
391 100 | x | = | 8351 50 |
| x | = | 8351 50 | ÷ | 391 100 |
| = | 8351 50 | × | 100 391 |
| = | 8351 | × | 2 391 |
| x | = | 16702 391 |
| x | = | 42.716113 |