| ( | 43 10 | − | 6 25 | ÷ | 1000 | × | ( | x | + | 1000 | ) | ) | ( | 1000 | − | x | ) | = | ( | 349 500 | − | 29 100 | ÷ | 1000 | × | ( | x | + | 1000 | ) | ) | ( | x | − | 100 | ) |
| Left side of the equation = | 43 10 | ( | 1000 | − | x | ) | − | 6 25 | ÷ | 1000 | × | ( | x | + | 1000 | ) | ( | 1000 | − | x | ) |
| = | 43 10 | ( | 1000 | − | x | ) | − | 3 12500 | ( | x | + | 1000 | ) | ( | 1000 | − | x | ) |
| = | 43 10 | × | 1000 | − | 43 10 | x | − | 3 12500 | ( | x | + | 1000 | ) | ( | 1000 | − | x | ) |
| = | 4300 | − | 43 10 | x | − | 3 12500 | ( | x | + | 1000 | ) | ( | 1000 | − | x | ) |
| = | 4300 | − | 43 10 | x | − | 3 12500 | x | ( | 1000 | − | x | ) | − | 3 12500 | × | 1000 | ( | 1000 | − | x | ) |
| = | 4300 | − | 43 10 | x | − | 3 12500 | x | ( | 1000 | − | x | ) | − | 6 25 | ( | 1000 | − | x | ) |
| = | 4300 | − | 43 10 | x | − | 3 12500 | x | × | 1000 | + | 3 12500 | x | x | − | 6 25 | ( | 1000 | − | x | ) |
| = | 4300 | − | 43 10 | x | − | 6 25 | x | + | 3 12500 | x | x | − | 6 25 | ( | 1000 | − | x | ) |
| = | 4300 | − | 227 50 | x | + | 3 12500 | x | x | − | 6 25 | ( | 1000 | − | x | ) |
| = | 4300 | − | 227 50 | x | + | 3 12500 | x | x | − | 6 25 | × | 1000 | + | 6 25 | x |
| = | 4300 | − | 227 50 | x | + | 3 12500 | x | x | − | 240 | + | 6 25 | x |
| = | 4060 | − | 43 10 | x | + | 3 12500 | x | x |
| 4060 | − | 43 10 | x | + | 3 12500 | x | x | = | ( | 349 500 | − | 29 100 | ÷ | 1000 | × | ( | x | + | 1000 | ) | ) | ( | x | − | 100 | ) |
| Right side of the equation = | 349 500 | ( | x | − | 100 | ) | − | 29 100 | ÷ | 1000 | × | ( | x | + | 1000 | ) | ( | x | − | 100 | ) |
| = | 349 500 | ( | x | − | 100 | ) | − | 29 100000 | ( | x | + | 1000 | ) | ( | x | − | 100 | ) |
| = | 349 500 | x | − | 349 500 | × | 100 | − | 29 100000 | ( | x | + | 1000 | ) | ( | x | − | 100 | ) |
| = | 349 500 | x | − | 349 5 | − | 29 100000 | ( | x | + | 1000 | ) | ( | x | − | 100 | ) |
| = | 349 500 | x | − | 349 5 | − | 29 100000 | x | ( | x | − | 100 | ) | − | 29 100000 | × | 1000 | ( | x | − | 100 | ) |
| = | 349 500 | x | − | 349 5 | − | 29 100000 | x | ( | x | − | 100 | ) | − | 29 100 | ( | x | − | 100 | ) |
| = | 349 500 | x | − | 349 5 | − | 29 100000 | x | x | + | 29 100000 | x | × | 100 | − | 29 100 | ( | x | − | 100 | ) |
| = | 349 500 | x | − | 349 5 | − | 29 100000 | x | x | + | 29 1000 | x | − | 29 100 | ( | x | − | 100 | ) |
| = | 727 1000 | x | − | 349 5 | − | 29 100000 | x | x | − | 29 100 | ( | x | − | 100 | ) |
| = | 727 1000 | x | − | 349 5 | − | 29 100000 | x | x | − | 29 100 | x | + | 29 100 | × | 100 |
| = | 727 1000 | x | − | 349 5 | − | 29 100000 | x | x | − | 29 100 | x | + | 29 |
| = | 437 1000 | x | − | 204 5 | − | 29 100000 | x | x |