53199 250 | − | 43 10 | ( | 16 5 | x | + | 32 5 | ) | = | 33 5 | x |
| 方程左边 = | 53199 250 | − | 43 10 | × | 16 5 | x | − | 43 10 | × | 32 5 |
| = | 53199 250 | − | 344 25 | x | − | 688 25 |
| = | 46319 250 | − | 344 25 | x |
46319 250 | − | 344 25 | x | = | 33 5 | x |
| - | 344 25 | x | − | 33 5 | x | = | - | 46319 250 |
| - | 509 25 | x | = | - | 46319 250 |
46319 250 | = | 509 25 | x |
509 25 | x | = | 46319 250 |
| x | = | 46319 250 | ÷ | 509 25 |
| = | 46319 250 | × | 25 509 |
| = | 46319 10 | × | 1 509 |
| x | = | 46319 5090 |
| x | = | 9.1 |