19 200 | × | 43 20 | x | ÷ | ( | 19 200 | x | + | 43 20 | ) | − | 168 125 | = | 0 |
| 方程两边同时乘以: | ( | 19 200 | x | + | 43 20 | ) |
19 200 | × | 43 20 | x | − | 168 125 | ( | 19 200 | x | + | 43 20 | ) | = | 0 |
19 200 | × | 43 20 | x | − | 168 125 | × | 19 200 | x | − | 168 125 | × | 43 20 | = | 0 |
817 4000 | x | − | 399 3125 | x | − | 1806 625 | = | 0 |
7657 100000 | x | − | 1806 625 | = | 0 |
7657 100000 | x | = | 0 | + | 1806 625 |
7657 100000 | x | = | 1806 625 |
| x | = | 1806 625 | ÷ | 7657 100000 |
| = | 1806 625 | × | 100000 7657 |
| = | 1806 | × | 160 7657 |
| x | = | 288960 7657 |
| x | = | 37.738018 |