| 1400 | x | − | 400 | − | 550 | x | − | ( | 1400 | x | ÷ | 113 100 | × | 13 100 | − | 50 | × | 1 | ) | × | 11 10 | = | 0 |
| Left side of the equation = | 850 | x | − | 400 | − | ( | 1400 | x | ÷ | 113 100 | × | 13 100 | − | 50 | × | 1 | ) | × | 11 10 |
| 850 | x | − | 400 | − | ( | 1400 | x | ÷ | 113 100 | × | 13 100 | − | 50 | × | 1 | ) | × | 11 10 | = | 0 |
| Left side of the equation = | 850 | x | − | 400 | − | 1400 | x | ÷ | 113 100 | × | 13 100 | × | 11 10 | + | 50 | × | 1 | × | 11 10 |
| = | 850 | x | − | 400 | − | 20020 113 | x | + | 55 |
| = | 76030 113 | x | − | 345 |
76030 113 | x | − | 345 | = | 0 |
76030 113 | x | = | 0 | + | 345 |
76030 113 | x | = | 345 |
| x | = | 345 | ÷ | 76030 113 |
| = | 345 | × | 113 76030 |
| = | 69 | × | 113 15206 |
| x | = | 7797 15206 |
| x | = | 0.512758 |