| ( | 283 5 | − | X | ) | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) | = | ( | 123 5 | − | X | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 2630 | ÷ | 1460 |
| Left side of the equation = | 283 5 | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) | − | X | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| = | 283 5 | × | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | − | X | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| = | 364221 800 | − | X | ( | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 | ) |
| = | 364221 800 | − | X | × | 2700 | ÷ | 480 | × | 1430 | ÷ | 1000 |
| = | 364221 800 | − | X | × | 1287 160 |
364221 800 | − | 1287 160 | X | = | ( | 123 5 | − | X | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 2630 | ÷ | 1460 |
| Right side of the equation = | ( | 123 5 | − | X | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
364221 800 | − | 1287 160 | X | = | ( | 123 5 | − | X | ) | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| Right side of the equation = | 123 5 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 | − | X | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 32349 730 | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | − | X | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 32349 730 | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | − | X | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 76570083 116800 | − | X | ( | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | ) | × | 263 146 |
| = | 76570083 116800 | − | X | × | 2700 | ÷ | 480 | × | 2630 | ÷ | 1000 | × | 263 146 |
| = | 76570083 116800 | − | X | × | 622521 23360 |
364221 800 | − | 1287 160 | X | = | 76570083 116800 | − | 622521 23360 | X |
| - | 1287 160 | X | + | 622521 23360 | X | = | 76570083 116800 | − | 364221 800 |
434619 23360 | X | = | 76570083 116800 | − | 364221 800 |