3 2 | x | + | x | + | ( | ( | 3 2 | x | + | x | ) | ÷ | 2 | ) | = | 5000 |
| 方程左边 = | 5 2 | x | + | ( | ( | 3 2 | x | + | x | ) | ÷ | 2 | ) |
5 2 | x | + | ( | ( | 3 2 | x | + | x | ) | ÷ | 2 | ) | = | 5000 |
| 方程左边 = | 5 2 | x | + | ( | 3 2 | x | + | x | ) | ÷ | 2 |
| = | 5 2 | x | + | 3 2 | x | × | 1 2 | + | x | × | 1 2 |
| = | 5 2 | x | + | 3 4 | x | + | x | × | 1 2 |
| = | 15 4 | x |
15 4 | x | = | 5000 |
| x | = | 5000 | ÷ | 15 4 |
| = | 5000 | × | 4 15 |
| = | 1000 | × | 4 3 |
| x | = | 4000 3 |
| x | = | 1333.333333 |