| - | 243 5000 | x | + | 1419 1000 | − | 71 50 | = | 0 |
| Left side of the equation = | - | 243 5000 | x | − | 1 1000 |
| - | 243 5000 | x | − | 1 1000 | = | 0 |
| - | 243 5000 | x | = | 0 | + | 1 1000 |
| - | 243 5000 | x | = | 1 1000 |
| - | 1 1000 | = | 243 5000 | x |
243 5000 | x | = | - | 1 1000 |
| x | = | - | 1 1000 | ÷ | 243 5000 |
| = | - | 1 1000 | × | 5000 243 |
| = | - | 1 | × | 5 243 |
| x | = | - | 5 243 |
| x | = | - 0.020576 |