| x | ÷ | 9 100 | + | ( | 13447 10 | + | 1 25 | x | ) | ÷ | ( | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | ) | = | 215000 |
| 方程两边同时乘以: | ( | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | ) |
| x | ÷ | 9 100 | × | ( | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | ) | + | ( | 13447 10 | + | 1 25 | x | ) | = | 215000 | ( | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | ) |
| x | ÷ | 9 100 | × | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | + | ( | 13447 10 | + | 1 25 | x | ) | = | 215000 | ( | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | ) |
| x | ÷ | 9 100 | × | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | + | ( | 13447 10 | + | 1 25 | x | ) | = | 215000 | × | 1243 10 | × | 1 50 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) |
| x | × | 1243 45 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) | + | ( | 13447 10 | + | 1 25 | x | ) | = | 534490 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) |
| x | × | 1243 45 | × | 1 | − | x | × | 1243 45 | × | 4 5 | x | ÷ | 27036 | + | ( | 13447 10 | + | 1 25 | x | ) | = | 534490 | ( | 1 | − | 4 5 | x | ÷ | 27036 | ) |
| x | × | 1243 45 | × | 1 | − | x | × | 1243 45 | × | 4 5 | x | ÷ | 27036 | + | ( | 13447 10 | + | 1 25 | x | ) | = | 534490 | × | 1 | − | 534490 | × | 4 5 | x | ÷ | 27036 |
| x | × | 1243 45 | − | x | × | 1243 1520775 | x | + | ( | 13447 10 | + | 1 25 | x | ) | = | 534490 | − | 106898 6759 | x |
1243 45 | x | − | x | × | 1243 1520775 | x | + | 13447 10 | + | 1 25 | x | = | 534490 | − | 106898 6759 | x |
6224 225 | x | − | x | × | 1243 1520775 | x | + | 13447 10 | = | 534490 | − | 106898 6759 | x |