| ( | x | − | 5 100 | ) | ÷ | ( | 6 100 | − | 5 100 | ) | = | ( | 105119 100 | − | 5386 5 | ) | ÷ | ( | 1000 | − | 5386 5 | ) |
| 方程两边同时乘以: | ( | 6 100 | − | 5 100 | ) | , | ( | 1000 | − | 5386 5 | ) |
| ( | x | − | 5 100 | ) | ( | 1000 | − | 5386 5 | ) | = | ( | 105119 100 | − | 5386 5 | ) | ( | 6 100 | − | 5 100 | ) |
| x | ( | 1000 | − | 5386 5 | ) | − | 5 100 | ( | 1000 | − | 5386 5 | ) | = | ( | 105119 100 | − | 5386 5 | ) | ( | 6 100 | − | 5 100 | ) |
| x | ( | 1000 | − | 5386 5 | ) | − | 5 100 | ( | 1000 | − | 5386 5 | ) | = | 105119 100 | ( | 6 100 | − | 5 100 | ) | − | 5386 5 | ( | 6 100 | − | 5 100 | ) |
| x | × | 1000 | − | x | × | 5386 5 | − | 5 100 | ( | 1000 | − | 5386 5 | ) | = | 105119 100 | ( | 6 100 | − | 5 100 | ) | − | 5386 5 | ( | 6 100 | − | 5 100 | ) |
| x | × | 1000 | − | x | × | 5386 5 | − | 5 100 | ( | 1000 | − | 5386 5 | ) | = | 105119 100 | × | 6 100 | − | 105119 100 | × | 5 100 | − | 5386 5 | ( | 6 100 | − | 5 100 | ) |
| x | × | 1000 | − | x | × | 5386 5 | − | 5 100 | ( | 1000 | − | 5386 5 | ) | = | 315357 5000 | − | 105119 2000 | − | 5386 5 | ( | 6 100 | − | 5 100 | ) |
| - | 386 5 | x | − | 5 100 | ( | 1000 | − | 5386 5 | ) | = | 105119 10000 | − | 5386 5 | ( | 6 100 | − | 5 100 | ) |
| - | 386 5 | x | − | 5 100 | × | 1000 | + | 5 100 | × | 5386 5 | = | 105119 10000 | − | 5386 5 | ( | 6 100 | − | 5 100 | ) |
| - | 386 5 | x | − | 5 100 | × | 1000 | + | 5 100 | × | 5386 5 | = | 105119 10000 | − | 5386 5 | × | 6 100 | + | 5386 5 | × | 5 100 |
| - | 386 5 | x | − | 50 | + | 2693 50 | = | 105119 10000 | − | 8079 125 | + | 2693 50 |
| - | 386 5 | x | + | 193 50 | = | - | 2601 10000 |
| - | 386 5 | x | = | - | 2601 10000 | − | 193 50 |
| - | 386 5 | x | = | - | 41201 10000 |
41201 10000 | = | 386 5 | x |
386 5 | x | = | 41201 10000 |
| x | = | 41201 10000 | ÷ | 386 5 |
| = | 41201 10000 | × | 5 386 |
| = | 41201 2000 | × | 1 386 |
| x | = | 41201 772000 |
| x | = | 0.053369 |