| ( | 157 50 | ( | 533 10 | + | 101 100 | ) | − | x | × | 101 100 | ) | ÷ | x | = | 4 |
| 方程两边同时乘以: | x |
| ( | 157 50 | ( | 533 10 | + | 101 100 | ) | − | x | × | 101 100 | ) | = | 4 | x |
157 50 | ( | 533 10 | + | 101 100 | ) | − | x | × | 101 100 | = | 4 | x |
157 50 | × | 533 10 | + | 157 50 | × | 101 100 | − | 101 100 | x | = | 4 | x |
83681 500 | + | 15857 5000 | − | 101 100 | x | = | 4 | x |
852667 5000 | − | 101 100 | x | = | 4 | x |
| - | 101 100 | x | − | 4 | x | = | - | 852667 5000 |
| - | 501 100 | x | = | - | 852667 5000 |
852667 5000 | = | 501 100 | x |
501 100 | x | = | 852667 5000 |
| x | = | 852667 5000 | ÷ | 501 100 |
| = | 852667 5000 | × | 100 501 |
| = | 852667 50 | × | 1 501 |
| x | = | 852667 25050 |
| x | = | 34.038603 |