| ( | 800 | + | x | − | 1201893 100 | ) | ( | 1 | − | 25 100 | ) | + | 253159 50 | = | 281709 50 |
| 方程左边 = | 800 | ( | 1 | − | 25 100 | ) | + | x | ( | 1 | − | 25 100 | ) | − | 1201893 100 | ( | 1 | − | 25 100 | ) | + | 253159 50 |
| = | 800 | × | 1 | − | 800 | × | 25 100 | + | x | ( | 1 | − | 25 100 | ) | − | 1201893 100 | ( | 1 | − | 25 100 | ) | + | 253159 50 |
| = | 800 | − | 200 | + | x | ( | 1 | − | 25 100 | ) | − | 1201893 100 | ( | 1 | − | 25 100 | ) | + | 253159 50 |
| = | 283159 50 | + | x | ( | 1 | − | 25 100 | ) | − | 1201893 100 | ( | 1 | − | 25 100 | ) |
| = | 283159 50 | + | x | × | 1 | − | x | × | 25 100 | − | 1201893 100 | ( | 1 | − | 25 100 | ) |
| = | 283159 50 | + | 3 4 | x | − | 1201893 100 | ( | 1 | − | 25 100 | ) |
| = | 283159 50 | + | 3 4 | x | − | 1201893 100 | × | 1 | + | 1201893 100 | × | 25 100 |
| = | 283159 50 | + | 3 4 | x | − | 1201893 100 | + | 1201893 400 |
| = | - | 1340407 400 | + | 3 4 | x |
| - | 1340407 400 | + | 3 4 | x | = | 281709 50 |
3 4 | x | = | 281709 50 | + | 1340407 400 |
3 4 | x | = | 3594079 400 |
| x | = | 3594079 400 | ÷ | 3 4 |
| = | 3594079 400 | × | 4 3 |
| = | 3594079 100 | × | 1 3 |
| x | = | 3594079 300 |
| x | = | 11980.263333 |