| ( | 25759 1000 | + | x | ) | × | 7 4 | = | 51519 1000 | + | 34539 500 | − | x |
| 方程左边 = | 25759 1000 | × | 7 4 | + | x | × | 7 4 |
| = | 180313 4000 | + | x | × | 7 4 |
180313 4000 | + | 7 4 | x | = | 51519 1000 | + | 34539 500 | − | x |
| 方程右边 = | 120597 1000 | − | x |
180313 4000 | + | 7 4 | x | = | 120597 1000 | − | x |
7 4 | x | + | x | = | 120597 1000 | − | 180313 4000 |
11 4 | x | = | 120597 1000 | − | 180313 4000 |
11 4 | x | = | 12083 160 |
| x | = | 12083 160 | ÷ | 11 4 |
| = | 12083 160 | × | 4 11 |
| = | 12083 40 | × | 1 11 |
| x | = | 12083 440 |
| x | = | 27.461364 |