| ( | 41789 1000 | + | x | ) | × | 27 20 | = | 8781 125 | + | 41789 1000 | − | x |
| 方程左边 = | 41789 1000 | × | 27 20 | + | x | × | 27 20 |
| = | 1128303 20000 | + | x | × | 27 20 |
1128303 20000 | + | 27 20 | x | = | 8781 125 | + | 41789 1000 | − | x |
| 方程右边 = | 112037 1000 | − | x |
1128303 20000 | + | 27 20 | x | = | 112037 1000 | − | x |
27 20 | x | + | x | = | 112037 1000 | − | 1128303 20000 |
47 20 | x | = | 112037 1000 | − | 1128303 20000 |
47 20 | x | = | 1112437 20000 |
| x | = | 1112437 20000 | ÷ | 47 20 |
| = | 1112437 20000 | × | 20 47 |
| = | 1112437 1000 | × | 1 47 |
| x | = | 1112437 47000 |
| x | = | 23.668872 |