23353 5 | = | ( | 384 | − | x | ) | × | 69 5 | + | 89 10 | x |
| 方程右边 = | 384 | × | 69 5 | − | x | × | 69 5 | + | 89 10 | x |
| = | 26496 5 | − | x | × | 69 5 | + | 89 10 | x |
| = | 26496 5 | − | 49 10 | x |
23353 5 | = | 26496 5 | − | 49 10 | x |
49 10 | x | = | 26496 5 | − | 23353 5 |
49 10 | x | = | 3143 5 |
| x | = | 3143 5 | ÷ | 49 10 |
| = | 3143 5 | × | 10 49 |
| = | 449 | × | 2 7 |
| x | = | 898 7 |
| x | = | 128.285714 |