| ( | 18 25 | + | x | ) | ÷ | ( | 3 5000 | + | 10 | x | ) | = | 11 10 |
| 方程两边同时乘以: | ( | 3 5000 | + | 10 | x | ) |
| ( | 18 25 | + | x | ) | = | 11 10 | ( | 3 5000 | + | 10 | x | ) |
18 25 | + | x | = | 11 10 | ( | 3 5000 | + | 10 | x | ) |
18 25 | + | x | = | 11 10 | × | 3 5000 | + | 11 10 | × | 10 | x |
18 25 | + | x | = | 33 50000 | + | 11 | x |
| x | − | 11 | x | = | 33 50000 | − | 18 25 |
| - | 10 | x | = | 33 50000 | − | 18 25 |
| - | 10 | x | = | - | 35967 50000 |
35967 50000 | = | 10 | x |
| 10 | x | = | 35967 50000 |
| x | = | 35967 50000 | ÷ | 10 |
| = | 35967 50000 | × | 1 10 |
| x | = | 35967 500000 |
| x | = | 0.071934 |