| ( | 3472 125 | + | x | ) | × | 43 20 | = | 6944 125 | + | 9641 125 | − | x |
| 方程左边 = | 3472 125 | × | 43 20 | + | x | × | 43 20 |
| = | 37324 625 | + | x | × | 43 20 |
37324 625 | + | 43 20 | x | = | 6944 125 | + | 9641 125 | − | x |
| 方程右边 = | 3317 25 | − | x |
37324 625 | + | 43 20 | x | = | 3317 25 | − | x |
43 20 | x | + | x | = | 3317 25 | − | 37324 625 |
63 20 | x | = | 3317 25 | − | 37324 625 |
63 20 | x | = | 45601 625 |
| x | = | 45601 625 | ÷ | 63 20 |
| = | 45601 625 | × | 20 63 |
| = | 45601 125 | × | 4 63 |
| x | = | 182404 7875 |
| x | = | 23.162413 |