113 100 | x | ÷ | 13 100 | + | 103 100 | ( | 1112772 25 | − | x | ) | ÷ | 3 100 | = | 77377959 100 |
| 方程左边 = | 113 13 | x | + | 103 3 | ( | 1112772 25 | − | x | ) |
113 13 | x | + | 103 3 | ( | 1112772 25 | − | x | ) | = | 77377959 100 |
| 方程左边 = | 113 13 | x | + | 103 3 | × | 1112772 25 | − | 103 3 | x |
| = | 113 13 | x | + | 38205172 25 | − | 103 3 | x |
| = | - | 1000 39 | x | + | 38205172 25 |
| - | 1000 39 | x | + | 38205172 25 | = | 77377959 100 |
| - | 1000 39 | x | = | 77377959 100 | − | 38205172 25 |
| - | 1000 39 | x | = | - | 75442729 100 |
75442729 100 | = | 1000 39 | x |
1000 39 | x | = | 75442729 100 |
| x | = | 75442729 100 | ÷ | 1000 39 |
| = | 75442729 100 | × | 39 1000 |
| x | = | 2942266431 100000 |
| x | = | 29422.66431 |