29 1000 | x | + | 4571 10000 | = | 3 4 | x | + | 983 4000 |
29 1000 | x | − | 3 4 | x | = | 983 4000 | − | 4571 10000 |
| - | 721 1000 | x | = | 983 4000 | − | 4571 10000 |
| - | 721 1000 | x | = | - | 4227 20000 |
4227 20000 | = | 721 1000 | x |
721 1000 | x | = | 4227 20000 |
| x | = | 4227 20000 | ÷ | 721 1000 |
| = | 4227 20000 | × | 1000 721 |
| = | 4227 20 | × | 1 721 |
| x | = | 4227 14420 |
| x | = | 0.293135 |