| ( | 25343 1000 | + | x | ) | × | 59 20 | = | 50687 1000 | + | 6933 100 | − | x |
| 方程左边 = | 25343 1000 | × | 59 20 | + | x | × | 59 20 |
| = | 1495237 20000 | + | x | × | 59 20 |
1495237 20000 | + | 59 20 | x | = | 50687 1000 | + | 6933 100 | − | x |
| 方程右边 = | 120017 1000 | − | x |
1495237 20000 | + | 59 20 | x | = | 120017 1000 | − | x |
59 20 | x | + | x | = | 120017 1000 | − | 1495237 20000 |
79 20 | x | = | 120017 1000 | − | 1495237 20000 |
79 20 | x | = | 905103 20000 |
| x | = | 905103 20000 | ÷ | 79 20 |
| = | 905103 20000 | × | 20 79 |
| = | 11457 1000 | × | 1 |
| x | = | 11457 1000 |
| x | = | 11.457 |