787 2 | x | + | 2418 5 | ( | 1 5 | − | x | ) | = | 6353 100 |
| 方程左边 = | 787 2 | x | + | 2418 5 | × | 1 5 | − | 2418 5 | x |
| = | 787 2 | x | + | 2418 25 | − | 2418 5 | x |
| = | - | 901 10 | x | + | 2418 25 |
| - | 901 10 | x | + | 2418 25 | = | 6353 100 |
| - | 901 10 | x | = | 6353 100 | − | 2418 25 |
| - | 901 10 | x | = | - | 3319 100 |
3319 100 | = | 901 10 | x |
901 10 | x | = | 3319 100 |
| x | = | 3319 100 | ÷ | 901 10 |
| = | 3319 100 | × | 10 901 |
| = | 3319 10 | × | 1 901 |
| x | = | 3319 9010 |
| x | = | 0.368368 |