123 50 | x | ÷ | ( | 1 | + | 73 50 | x | ) | = | 987 1000 |
| 方程两边同时乘以: | ( | 1 | + | 73 50 | x | ) |
123 50 | x | = | 987 1000 | ( | 1 | + | 73 50 | x | ) |
123 50 | x | = | 987 1000 | × | 1 | + | 987 1000 | × | 73 50 | x |
123 50 | x | = | 987 1000 | + | 72051 50000 | x |
123 50 | x | − | 72051 50000 | x | = | 987 1000 |
50949 50000 | x | = | 987 1000 |
| x | = | 987 1000 | ÷ | 50949 50000 |
| = | 987 1000 | × | 50000 50949 |
| = | 329 | × | 50 16983 |
| x | = | 16450 16983 |
| x | = | 0.968616 |