38251 500 | ( | 40 | − | x | ) | × | 3 4 | = | 26863 1000 | ( | x | − | 30 | ) |
| 方程左边 = | 114753 2000 | ( | 40 | − | x | ) |
114753 2000 | ( | 40 | − | x | ) | = | 26863 1000 | ( | x | − | 30 | ) |
| 方程左边 = | 114753 2000 | × | 40 | − | 114753 2000 | x |
| = | 114753 50 | − | 114753 2000 | x |
114753 50 | − | 114753 2000 | x | = | 26863 1000 | ( | x | − | 30 | ) |
| 方程右边 = | 26863 1000 | x | − | 26863 1000 | × | 30 |
| = | 26863 1000 | x | − | 80589 100 |
114753 50 | − | 114753 2000 | x | = | 26863 1000 | x | − | 80589 100 |
| - | 114753 2000 | x | − | 26863 1000 | x | = | - | 80589 100 | − | 114753 50 |
| - | 168479 2000 | x | = | - | 80589 100 | − | 114753 50 |
| - | 168479 2000 | x | = | - | 62019 20 |
62019 20 | = | 168479 2000 | x |
168479 2000 | x | = | 62019 20 |
| x | = | 62019 20 | ÷ | 168479 2000 |
| = | 62019 20 | × | 2000 168479 |
| = | 62019 | × | 100 168479 |
| x | = | 6201900 168479 |
| x | = | 36.811116 |