| 1400 | X | ÷ | 113 100 | − | 500 | X | − | 400 | − | ( | 1400 | X | ÷ | 113 100 | × | 13 100 | − | 50 | X | ) | × | 1 10 | = | 0 |
| Left side of the equation = | 140000 113 | X | − | 500 | X | − | 400 | − | ( | 1400 | X | ÷ | 113 100 | × | 13 100 | − | 50 | X | ) | × | 1 10 |
| = | 83500 113 | X | − | 400 | − | ( | 1400 | X | ÷ | 113 100 | × | 13 100 | − | 50 | X | ) | × | 1 10 |
83500 113 | X | − | 400 | − | ( | 1400 | X | ÷ | 113 100 | × | 13 100 | − | 50 | X | ) | × | 1 10 | = | 0 |
| Left side of the equation = | 83500 113 | X | − | 400 | − | 1400 | X | ÷ | 113 100 | × | 13 100 | × | 1 10 | + | 50 | X | × | 1 10 |
| = | 83500 113 | X | − | 400 | − | 1820 113 | X | + | 5 | X |
| = | 82245 113 | X | − | 400 |
82245 113 | X | − | 400 | = | 0 |
82245 113 | X | = | 0 | + | 400 |
82245 113 | X | = | 400 |
| X | = | 400 | ÷ | 82245 113 |
| = | 400 | × | 113 82245 |
| = | 80 | × | 113 16449 |
| X | = | 9040 16449 |
| X | = | 0.549577 |