| ( | 1000 | × | 2 | ) | + | ( | x | × | 3 | ) | + | ( | ( | 1000 | + | x | ) | × | 3 2 | ) | = | 10000 |
| 方程左边 = | 1000 | × | 2 | + | ( | x | × | 3 | ) | + | ( | ( | 1000 | + | x | ) | × | 3 2 | ) |
| = | 2000 | + | ( | x | × | 3 | ) | + | ( | ( | 1000 | + | x | ) | × | 3 2 | ) |
| = | 2000 | + | x | × | 3 | + | ( | ( | 1000 | + | x | ) | × | 3 2 | ) |
| = | 2000 | + | 3 | x | + | ( | 1000 | + | x | ) | × | 3 2 |
| = | 2000 | + | 3 | x | + | 1000 | × | 3 2 | + | x | × | 3 2 |
| = | 2000 | + | 3 | x | + | 1500 | + | x | × | 3 2 |
| = | 3500 | + | 9 2 | x |
| 3500 | + | 9 2 | x | = | 10000 |
9 2 | x | = | 10000 | − | 3500 |
9 2 | x | = | 6500 |
| x | = | 6500 | ÷ | 9 2 |
| = | 6500 | × | 2 9 |
| x | = | 13000 9 |
| x | = | 1444.444444 |