| 56 | Q | − | ( | 40 | Q | + | 580 | ) | − | ( | 56 | × | 13 100 | − | 5 | ) | × | 12 100 | = | 0 |
| Left side of the equation = | 56 | Q | − | 40 | Q | − | 580 | − | ( | 56 | × | 13 100 | − | 5 | ) | × | 12 100 |
| = | 16 | Q | − | 580 | − | ( | 56 | × | 13 100 | − | 5 | ) | × | 12 100 |
| = | 16 | Q | − | 580 | − | 56 | × | 13 100 | × | 12 100 | + | 5 | × | 12 100 |
| = | 16 | Q | − | 580 | − | 546 625 | + | 3 5 |
| = | 16 | Q | − | 362671 625 |
| 16 | Q | − | 362671 625 | = | 0 |
| 16 | Q | = | 0 | + | 362671 625 |
| 16 | Q | = | 362671 625 |
| Q | = | 362671 625 | ÷ | 16 |
| = | 362671 625 | × | 1 16 |
| Q | = | 362671 10000 |
| Q | = | 36.2671 |