| 14300 | × | 4 5 | x | ( | 69 50 | − | x | ÷ | 2 | ) | − | 1385 | = | 0 |
| Left side of the equation = | 11440 | x | ( | 69 50 | − | x | ÷ | 2 | ) | − | 1385 |
| 11440 | x | ( | 69 50 | − | x | ÷ | 2 | ) | − | 1385 | = | 0 |
| Left side of the equation = | 11440 | x | × | 69 50 | − | 11440 | x | x | ÷ | 2 | − | 1385 |
| = | 78936 5 | x | − | 5720 | x | x | − | 1385 |
78936 5 | x | − | 5720 | x | x | − | 1385 | = | 0 |