| - | 1429 5 | x | − | 2200 | ( | 5 | − | x | ) | + | 3847 | = | 0 |
| Left side of the equation = | - | 1429 5 | x | − | 2200 | × | 5 | + | 2200 | x | + | 3847 |
| = | - | 1429 5 | x | − | 11000 | + | 2200 | x | + | 3847 |
| = | 9571 5 | x | − | 7153 |
9571 5 | x | − | 7153 | = | 0 |
9571 5 | x | = | 0 | + | 7153 |
9571 5 | x | = | 7153 |
| x | = | 7153 | ÷ | 9571 5 |
| = | 7153 | × | 5 9571 |
| x | = | 35765 9571 |
| x | = | 3.736809 |