| 350 | ( | 1 | ÷ | 19 2 | + | 2 | x | ÷ | 1 10 | + | x | ÷ | 3 50 | ) | = | 25 | ÷ | ( | 1 | ÷ | 19 2 | ) |
| 方程两边同时乘以: | ( | 1 | ÷ | 19 2 | ) |
| 350 | ( | 1 | ÷ | 19 2 | + | 2 | x | ÷ | 1 10 | + | x | ÷ | 3 50 | ) | ( | 1 | ÷ | 19 2 | ) | = | 25 |
| 350 | × | 1 | ÷ | 19 2 | × | ( | 1 | ÷ | 19 2 | ) | + | 350 | × | 2 | x | ÷ | 1 10 | × | ( | 1 | ÷ | 19 2 | ) | + | 350 | x | ÷ | 3 50 | = | 25 |
700 19 | ( | 1 | ÷ | 19 2 | ) | + | 7000 | x | ( | 1 | ÷ | 19 2 | ) | + | 17500 3 | x | ( | 1 | ÷ | 19 2 | ) | = | 25 |
700 19 | × | 1 | ÷ | 19 2 | + | 7000 | x | ( | 1 | ÷ | 19 2 | ) | + | 17500 3 | x | ( | 1 | ÷ | 19 2 | ) | = | 25 |
1400 361 | + | 7000 | x | ( | 1 | ÷ | 19 2 | ) | + | 17500 3 | x | ( | 1 | ÷ | 19 2 | ) | = | 25 |
1400 361 | + | 7000 | x | × | 1 | ÷ | 19 2 | + | 17500 3 | x | ( | 1 | ÷ | 19 2 | ) | = | 25 |
1400 361 | + | 14000 19 | x | + | 17500 3 | x | ( | 1 | ÷ | 19 2 | ) | = | 25 |
1400 361 | + | 14000 19 | x | + | 17500 3 | x | × | 1 | ÷ | 19 2 | = | 25 |
1400 361 | + | 14000 19 | x | + | 35000 57 | x | = | 25 |
1400 361 | + | 77000 57 | x | = | 25 |
77000 57 | x | = | 25 | − | 1400 361 |
77000 57 | x | = | 7625 361 |
| x | = | 7625 361 | ÷ | 77000 57 |
| = | 7625 361 | × | 57 77000 |
| = | 61 19 | × | 3 616 |
| x | = | 183 11704 |
| x | = | 0.015636 |