| ( | 17 | − | x | ) | ÷ | 10 | = | ( | x | − | 7 10 | ) | ÷ | 47 10 | + | ( | x | − | 204 25 | ) | ÷ | 28387 100 |
| 方程左边 = | 17 | × | 1 10 | − | x | × | 1 10 |
| = | 17 10 | − | x | × | 1 10 |
17 10 | − | 1 10 | x | = | ( | x | − | 7 10 | ) | ÷ | 47 10 | + | ( | x | − | 204 25 | ) | ÷ | 28387 100 |
| 方程右边 = | x | × | 10 47 | − | 7 10 | × | 10 47 | + | ( | x | − | 204 25 | ) | × | 100 28387 |
| = | x | × | 10 47 | − | 7 47 | + | ( | x | − | 204 25 | ) | × | 100 28387 |
| = | 10 47 | x | − | 7 47 | + | x | × | 100 28387 | − | 204 25 | × | 100 28387 |
| = | 10 47 | x | − | 7 47 | + | x | × | 100 28387 | − | 816 28387 |
| = | 288570 1334189 | x | − | 237061 1334189 |
17 10 | − | 1 10 | x | = | 288570 1334189 | x | − | 237061 1334189 |
| - | 1 10 | x | − | 288570 1334189 | x | = | - | 237061 1334189 | − | 17 10 |
| - | 4219889 13341890 | x | = | - | 237061 1334189 | − | 17 10 |
| - | 4219889 13341890 | x | = | - | 25051823 13341890 |
25051823 13341890 | = | 4219889 13341890 | x |
4219889 13341890 | x | = | 25051823 13341890 |
| x | = | 25051823 13341890 | ÷ | 4219889 13341890 |
| = | 25051823 13341890 | × | 13341890 4219889 |
| = | 25051823 28387 | × | 28387 4219889 |
| x | = | 711146099501 119789989043 |