| ( | x | − | 87491 1000 | ) | × | 50 | − | 117 50 | = | 3 |
| Left side of the equation = | x | × | 50 | − | 87491 1000 | × | 50 | − | 117 50 |
| = | x | × | 50 | − | 87491 20 | − | 117 50 |
| = | 50 | x | − | 437689 100 |
| 50 | x | − | 437689 100 | = | 3 |
| 50 | x | = | 3 | + | 437689 100 |
| 50 | x | = | 437989 100 |
| x | = | 437989 100 | ÷ | 50 |
| = | 437989 100 | × | 1 50 |
| x | = | 437989 5000 |
| x | = | 87.5978 |