| ( | 1 | ÷ | ( | 1 | + | 13 1000 | x | ) | ) | × | 67 1000 | x | − | 3173 1000 | = | 3 5 |
| 1 | ÷ | ( | 1 | + | 13 1000 | x | ) | × | 67 1000 | x | − | 3173 1000 | = | 3 5 |
67 1000 | ÷ | ( | 1 | + | 13 1000 | x | ) | × | x | − | 3173 1000 | = | 3 5 |
| 方程两边同时乘以: | ( | 1 | + | 13 1000 | x | ) |
67 1000 | x | − | 3173 1000 | ( | 1 | + | 13 1000 | x | ) | = | 3 5 | ( | 1 | + | 13 1000 | x | ) |
67 1000 | x | − | 3173 1000 | × | 1 | − | 3173 1000 | × | 13 1000 | x | = | 3 5 | ( | 1 | + | 13 1000 | x | ) |
67 1000 | x | − | 3173 1000 | × | 1 | − | 3173 1000 | × | 13 1000 | x | = | 3 5 | × | 1 | + | 3 5 | × | 13 1000 | x |
67 1000 | x | − | 3173 1000 | − | 41249 1000000 | x | = | 3 5 | + | 39 5000 | x |
25751 1000000 | x | − | 3173 1000 | = | 3 5 | + | 39 5000 | x |
25751 1000000 | x | − | 39 5000 | x | = | 3 5 | + | 3173 1000 |
17951 1000000 | x | = | 3 5 | + | 3173 1000 |
17951 1000000 | x | = | 3773 1000 |
| x | = | 3773 1000 | ÷ | 17951 1000000 |
| = | 3773 1000 | × | 1000000 17951 |
| = | 3773 | × | 1000 17951 |
| x | = | 3773000 17951 |
| x | = | 210.183277 |