| ( | x | − | 12 100 | ) | ÷ | ( | 14 100 | − | 12 100 | ) | = | ( | 53333 10000 | − | 28251 5000 | ) | ÷ | ( | 52161 10000 | − | 28251 5000 | ) |
| Multiply both sides of the equation by: | ( | 14 100 | − | 12 100 | ) | , | ( | 52161 10000 | − | 28251 5000 | ) |
| ( | x | − | 12 100 | ) | ( | 52161 10000 | − | 28251 5000 | ) | = | ( | 53333 10000 | − | 28251 5000 | ) | ( | 14 100 | − | 12 100 | ) |
| x | ( | 52161 10000 | − | 28251 5000 | ) | − | 12 100 | ( | 52161 10000 | − | 28251 5000 | ) | = | ( | 53333 10000 | − | 28251 5000 | ) | ( | 14 100 | − | 12 100 | ) |
| x | ( | 52161 10000 | − | 28251 5000 | ) | − | 12 100 | ( | 52161 10000 | − | 28251 5000 | ) | = | 53333 10000 | ( | 14 100 | − | 12 100 | ) | − | 28251 5000 | ( | 14 100 | − | 12 100 | ) |
| x | × | 52161 10000 | − | x | × | 28251 5000 | − | 12 100 | ( | 52161 10000 | − | 28251 5000 | ) | = | 53333 10000 | ( | 14 100 | − | 12 100 | ) | − | 28251 5000 | ( | 14 100 | − | 12 100 | ) |
| x | × | 52161 10000 | − | x | × | 28251 5000 | − | 12 100 | ( | 52161 10000 | − | 28251 5000 | ) | = | 53333 10000 | × | 14 100 | − | 53333 10000 | × | 12 100 | − | 28251 5000 | ( | 14 100 | − | 12 100 | ) |
| x | × | 52161 10000 | − | x | × | 28251 5000 | − | 12 100 | ( | 52161 10000 | − | 28251 5000 | ) | = | 373331 500000 | − | 159999 250000 | − | 28251 5000 | ( | 14 100 | − | 12 100 | ) |