| ( | 3 10 | × | 1109 500 | + | 5 | x | ) | ÷ | ( | 1109 500 | + | x | ) | − | 1 2 | = | 0 |
| 方程两边同时乘以: | ( | 1109 500 | + | x | ) |
| ( | 3 10 | × | 1109 500 | + | 5 | x | ) | − | 1 2 | ( | 1109 500 | + | x | ) | = | 0 |
3 10 | × | 1109 500 | + | 5 | x | − | 1 2 | ( | 1109 500 | + | x | ) | = | 0 |
3327 5000 | + | 5 | x | − | 1 2 | ( | 1109 500 | + | x | ) | = | 0 |
3327 5000 | + | 5 | x | − | 1 2 | × | 1109 500 | − | 1 2 | x | = | 0 |
3327 5000 | + | 5 | x | − | 1109 1000 | − | 1 2 | x | = | 0 |
| - | 1109 2500 | + | 9 2 | x | = | 0 |
9 2 | x | = | 0 | + | 1109 2500 |
9 2 | x | = | 1109 2500 |
| x | = | 1109 2500 | ÷ | 9 2 |
| = | 1109 2500 | × | 2 9 |
| = | 1109 1250 | × | 1 9 |
| x | = | 1109 11250 |
| x | = | 0.098578 |