| ( | 15671 50 | − | 116 125 | x | × | 42 | ) | ( | 1190000 | − | 291 1000 | x | × | 50000 | ) | = | 12500000 | × | 3013 100 |
| Left side of the equation = | 15671 50 | ( | 1190000 | − | 291 1000 | x | × | 50000 | ) | − | 116 125 | x | × | 42 | ( | 1190000 | − | 291 1000 | x | × | 50000 | ) |
| = | 15671 50 | ( | 1190000 | − | 291 1000 | x | × | 50000 | ) | − | 4872 125 | x | ( | 1190000 | − | 291 1000 | x | × | 50000 | ) |
| = | 15671 50 | × | 1190000 | − | 15671 50 | × | 291 1000 | x | × | 50000 | − | 4872 125 | x | ( | 1190000 | − | 291 1000 | x | × | 50000 | ) |