| ( | x | ( | 1 | − | 5 100 | ) | − | 50 | − | 25000 | ) | ÷ | 1000 | = | x | × | 20 100 |
| Left side of the equation = | x | ( | 1 | − | 5 100 | ) | × | 1 1000 | − | 50 | × | 1 1000 | − | 25000 | × | 1 1000 |
| = | x | ( | 1 | − | 5 100 | ) | × | 1 1000 | − | 1 20 | − | 25 |
| = | x | ( | 1 | − | 5 100 | ) | × | 1 1000 | − | 501 20 |
| = | x | × | 1 | × | 1 1000 | − | x | × | 5 100 | × | 1 1000 | − | 501 20 |
| = | x | × | 1 1000 | − | x | × | 1 20000 | − | 501 20 |
| = | 19 20000 | x | − | 501 20 |
19 20000 | x | − | 501 20 | = | x | × | 20 100 |
19 20000 | x | − | 20 100 | x | = | 501 20 |
| - | 3981 20000 | x | = | 501 20 |
| - | 501 20 | = | 3981 20000 | x |
3981 20000 | x | = | - | 501 20 |
| x | = | - | 501 20 | ÷ | 3981 20000 |
| = | - | 501 20 | × | 20000 3981 |
| = | - | 167 | × | 1000 1327 |
| x | = | - | 167000 1327 |
| x | = | - 125.847777 |