| X | ÷ | 1000 | + | 10 | ÷ | 102 | + | ( | 78 | − | X | ) | ÷ | 451 10 | + | 5 | ÷ | 447 10 | = | 283 500 |
| Left side of the equation = | X | × | 1 1000 | + | 5 51 | + | ( | 78 | − | X | ) | × | 10 451 | + | 50 447 |
| = | 1 1000 | X | + | 1595 7599 | + | ( | 78 | − | X | ) | × | 10 451 |
1 1000 | X | + | 1595 7599 | + | ( | 78 | − | X | ) | × | 10 451 | = | 283 500 |
| Left side of the equation = | 1 1000 | X | + | 1595 7599 | + | 78 | × | 10 451 | − | X | × | 10 451 |
| = | 1 1000 | X | + | 1595 7599 | + | 780 451 | − | X | × | 10 451 |
| = | - | 9549 451000 | X | + | 6646565 3427149 |
| - | 9549 451000 | X | + | 6646565 3427149 | = | 283 500 |
| - | 9549 451000 | X | = | 283 500 | − | 6646565 3427149 |
| - | 9549 451000 | X | = | - | 2353399333 1713574500 |
2353399333 1713574500 | = | 9549 451000 | X |
9549 451000 | X | = | 2353399333 1713574500 |
| X | = | 2353399333 1713574500 | ÷ | 9549 451000 |
| = | 2353399333 1713574500 | × | 451000 9549 |
| = | 2353399333 7599 | × | 2 9549 |
| X | = | 4706798666 72562851 |
| X | = | 64.865129 |