| 2500 | ( | 1 125 | − | 1 100 | h | ) | ÷ | 1 25 | = | 1000 | ( | 2 5 | + | ( | ( | 1 125 | − | 1 100 | h | ) | ÷ | 2 25 | ) | ) |
| Left side of the equation = | 62500 | ( | 1 125 | − | 1 100 | h | ) |
| 62500 | ( | 1 125 | − | 1 100 | h | ) | = | 1000 | ( | 2 5 | + | ( | ( | 1 125 | − | 1 100 | h | ) | ÷ | 2 25 | ) | ) |
| Left side of the equation = | 62500 | × | 1 125 | − | 62500 | × | 1 100 | h |
| = | 500 | − | 625 | h |
| 500 | − | 625 | h | = | 1000 | ( | 2 5 | + | ( | ( | 1 125 | − | 1 100 | h | ) | ÷ | 2 25 | ) | ) |
| Right side of the equation = | 1000 | × | 2 5 | + | 1000 | ( | ( | 1 125 | − | 1 100 | h | ) | ÷ | 2 25 | ) |
| = | 400 | + | 1000 | ( | ( | 1 125 | − | 1 100 | h | ) | ÷ | 2 25 | ) |
| = | 400 | + | 1000 | ( | 1 125 | − | 1 100 | h | ) | ÷ | 2 25 |
| = | 400 | + | 12500 | ( | 1 125 | − | 1 100 | h | ) |
| = | 400 | + | 12500 | × | 1 125 | − | 12500 | × | 1 100 | h |
| = | 400 | + | 100 | − | 125 | h |
| = | 500 | − | 125 | h |
| 500 | − | 625 | h | = | 500 | − | 125 | h |
| - | 625 | h | + | 125 | h | = | 500 | − | 500 |
| - | 500 | h | = | 500 | − | 500 |
| - | 500 | h | = | 0 |
| - | 0 | = | 500 | h |
| 500 | h | = | - | 0 |
| h | = | - | 0 | ÷ | 500 |
| = | - | 0 | × | 1 500 |
| h | = | 0 |