| x | = | ( | 543 5 | − | x | ) | ( | 837 10 | − | x | ) | × | 1500000 |
| Right side of the equation = | 543 5 | ( | 837 10 | − | x | ) | × | 1500000 | − | x | ( | 837 10 | − | x | ) | × | 1500000 |
| = | 162900000 | ( | 837 10 | − | x | ) | − | x | ( | 837 10 | − | x | ) | × | 1500000 |
| = | 162900000 | × | 837 10 | − | 162900000 | x | − | x | ( | 837 10 | − | x | ) | × | 1500000 |