| ( | 2651 10 | ( | 1 | + | 20 100 | ) | ) | + | ( | 7 100 | x | ) | = | x |
| 方程左边 = | 2651 10 | ( | 1 | + | 20 100 | ) | + | ( | 7 100 | x | ) |
| = | 2651 10 | × | 1 | + | 2651 10 | × | 20 100 | + | ( | 7 100 | x | ) |
| = | 2651 10 | + | 2651 50 | + | ( | 7 100 | x | ) |
| = | 7953 25 | + | ( | 7 100 | x | ) |
| = | 7953 25 | + | 7 100 | x |
7953 25 | + | 7 100 | x | = | x |
7 100 | x | − | x | = | - | 7953 25 |
| - | 93 100 | x | = | - | 7953 25 |
7953 25 | = | 93 100 | x |
93 100 | x | = | 7953 25 |
| x | = | 7953 25 | ÷ | 93 100 |
| = | 7953 25 | × | 100 93 |
| = | 2651 | × | 4 31 |
| x | = | 10604 31 |
| x | = | 342.064516 |