| ( | x | × | 19 | ÷ | 30 | ) | + | ( | ( | x | × | 11 10 | ) | × | 9 | ÷ | 30 | ) | = | 72095 |
| 方程左边 = | x | × | 19 | ÷ | 30 | + | ( | ( | x | × | 11 10 | ) | × | 9 | ÷ | 30 | ) |
| = | x | × | 19 30 | + | ( | ( | x | × | 11 10 | ) | × | 9 | ÷ | 30 | ) |
| = | 19 30 | x | + | ( | x | × | 11 10 | ) | × | 9 | ÷ | 30 |
| = | 19 30 | x | + | ( | x | × | 11 10 | ) | × | 3 10 |
| = | 19 30 | x | + | x | × | 11 10 | × | 3 10 |
| = | 19 30 | x | + | x | × | 33 100 |
| = | 289 300 | x |
289 300 | x | = | 72095 |
| x | = | 72095 | ÷ | 289 300 |
| = | 72095 | × | 300 289 |
| x | = | 21628500 289 |
| x | = | 74839.100346 |