2859 20 | ÷ | ( | 1 | + | ( | x | ÷ | 365 | × | 51 | ) | ) | = | 12873 100 |
| 方程两边同时乘以: | ( | 1 | + | ( | x | ÷ | 365 | × | 51 | ) | ) |
2859 20 | = | 12873 100 | ( | 1 | + | ( | x | ÷ | 365 | × | 51 | ) | ) |
2859 20 | = | 12873 100 | × | 1 | + | 12873 100 | ( | x | ÷ | 365 | × | 51 | ) |
2859 20 | = | 12873 100 | + | 12873 100 | ( | x | ÷ | 365 | × | 51 | ) |
2859 20 | = | 12873 100 | + | 12873 100 | x | ÷ | 365 | × | 51 |
2859 20 | = | 12873 100 | + | 656523 36500 | x |
| - | 656523 36500 | x | = | 12873 100 | − | 2859 20 |
| - | 656523 36500 | x | = | - | 711 50 |
711 50 | = | 656523 36500 | x |
656523 36500 | x | = | 711 50 |
| x | = | 711 50 | ÷ | 656523 36500 |
| = | 711 50 | × | 36500 656523 |
| = | 79 | × | 730 72947 |
| x | = | 57670 72947 |
| x | = | 0.790574 |