| ( | 995 | ( | 1 | + | 28 100 | ) | ) | + | ( | 7 100 | x | ) | = | x |
| 方程左边 = | 995 | ( | 1 | + | 28 100 | ) | + | ( | 7 100 | x | ) |
| = | 995 | × | 1 | + | 995 | × | 28 100 | + | ( | 7 100 | x | ) |
| = | 995 | + | 1393 5 | + | ( | 7 100 | x | ) |
| = | 6368 5 | + | ( | 7 100 | x | ) |
| = | 6368 5 | + | 7 100 | x |
6368 5 | + | 7 100 | x | = | x |
7 100 | x | − | x | = | - | 6368 5 |
| - | 93 100 | x | = | - | 6368 5 |
6368 5 | = | 93 100 | x |
93 100 | x | = | 6368 5 |
| x | = | 6368 5 | ÷ | 93 100 |
| = | 6368 5 | × | 100 93 |
| = | 6368 | × | 20 93 |
| x | = | 127360 93 |
| x | = | 1369.462366 |