| 100 | x | − | 580 | − | 100 | × | 4 | − | ( | 100 | x | × | 13 100 | − | 100 | × | 5 | ) | × | 3 25 | = | 0 |
| Left side of the equation = | 100 | x | − | 580 | − | 400 | − | ( | 100 | x | × | 13 100 | − | 100 | × | 5 | ) | × | 3 25 |
| = | 100 | x | − | 980 | − | ( | 100 | x | × | 13 100 | − | 100 | × | 5 | ) | × | 3 25 |
| 100 | x | − | 980 | − | ( | 100 | x | × | 13 100 | − | 100 | × | 5 | ) | × | 3 25 | = | 0 |
| Left side of the equation = | 100 | x | − | 980 | − | 100 | x | × | 13 100 | × | 3 25 | + | 100 | × | 5 | × | 3 25 |
| = | 100 | x | − | 980 | − | 39 25 | x | + | 60 |
| = | 2461 25 | x | − | 920 |
2461 25 | x | − | 920 | = | 0 |
2461 25 | x | = | 0 | + | 920 |
2461 25 | x | = | 920 |
| x | = | 920 | ÷ | 2461 25 |
| = | 920 | × | 25 2461 |
| = | 40 | × | 25 107 |
| x | = | 1000 107 |
| x | = | 9.345794 |