| 56 | x | ( | 1 | + | 13 100 | ) | − | 580 | − | 40 | x | − | 5 | x | − | ( | 56 | x | − | 5 | x | ) | × | 12 100 | = | 0 |
| Left side of the equation = | 56 | x | ( | 1 | + | 13 100 | ) | − | 580 | − | 45 | x | − | ( | 56 | x | − | 5 | x | ) | × | 12 100 |
| 56 | x | ( | 1 | + | 13 100 | ) | − | 580 | − | 45 | x | − | ( | 56 | x | − | 5 | x | ) | × | 12 100 | = | 0 |
| Left side of the equation = | 56 | x | × | 1 | + | 56 | x | × | 13 100 | − | 580 | − | 45 | x | − | ( | 56 | x | − | 5 | x | ) | × | 12 100 |
| = | 56 | x | + | 182 25 | x | − | 580 | − | 45 | x | − | ( | 56 | x | − | 5 | x | ) | × | 12 100 |
| = | 457 25 | x | − | 580 | − | ( | 56 | x | − | 5 | x | ) | × | 12 100 |
| = | 457 25 | x | − | 580 | − | 56 | x | × | 12 100 | + | 5 | x | × | 12 100 |
| = | 457 25 | x | − | 580 | − | 168 25 | x | + | 3 5 | x |
| = | 304 25 | x | − | 580 |
304 25 | x | − | 580 | = | 0 |
304 25 | x | = | 0 | + | 580 |
304 25 | x | = | 580 |
| x | = | 580 | ÷ | 304 25 |
| = | 580 | × | 25 304 |
| = | 145 | × | 25 76 |
| x | = | 3625 76 |
| x | = | 47.697368 |