123 1000 | ( | 750 | − | x | ) | = | 141 | ( | 7 10 | + | ( | 29 50000 | ( | ( | 750 | + | x | ) | ÷ | 2 | ) | ) | ) |
| 方程左边 = | 123 1000 | × | 750 | − | 123 1000 | x |
| = | 369 4 | − | 123 1000 | x |
369 4 | − | 123 1000 | x | = | 141 | ( | 7 10 | + | ( | 29 50000 | ( | ( | 750 | + | x | ) | ÷ | 2 | ) | ) | ) |
| 方程右边 = | 141 | × | 7 10 | + | 141 | ( | 29 50000 | ( | ( | 750 | + | x | ) | ÷ | 2 | ) | ) |
| = | 987 10 | + | 141 | ( | 29 50000 | ( | ( | 750 | + | x | ) | ÷ | 2 | ) | ) |
| = | 987 10 | + | 141 | × | 29 50000 | ( | ( | 750 | + | x | ) | ÷ | 2 | ) |
| = | 987 10 | + | 4089 50000 | ( | ( | 750 | + | x | ) | ÷ | 2 | ) |
| = | 987 10 | + | 4089 50000 | ( | 750 | + | x | ) | ÷ | 2 |
| = | 987 10 | + | 4089 100000 | ( | 750 | + | x | ) |
| = | 987 10 | + | 4089 100000 | × | 750 | + | 4089 100000 | x |
| = | 987 10 | + | 12267 400 | + | 4089 100000 | x |
| = | 51747 400 | + | 4089 100000 | x |
369 4 | − | 123 1000 | x | = | 51747 400 | + | 4089 100000 | x |
| - | 123 1000 | x | − | 4089 100000 | x | = | 51747 400 | − | 369 4 |
| - | 16389 100000 | x | = | 51747 400 | − | 369 4 |
| - | 16389 100000 | x | = | 14847 400 |
| - | 14847 400 | = | 16389 100000 | x |
16389 100000 | x | = | - | 14847 400 |
| x | = | - | 14847 400 | ÷ | 16389 100000 |
| = | - | 14847 400 | × | 100000 16389 |
| = | - | 4949 | × | 250 5463 |
| x | = | - | 1237250 5463 |
| x | = | - 226.478126 |