| x | × | 17 20 | − | ( | x | − | 165741938 25 | ) | × | 3 5 | = | 611360311 100 |
| Left side of the equation = | 17 20 | x | − | x | × | 3 5 | + | 165741938 25 | × | 3 5 |
| = | 17 20 | x | − | x | × | 3 5 | + | 497225814 125 |
| = | 1 4 | x | + | 497225814 125 |
1 4 | x | + | 497225814 125 | = | 611360311 100 |
1 4 | x | = | 611360311 100 | − | 497225814 125 |