| ( | 6 | − | n | ) | ÷ | ( | 6 | − | 7 | ) | = | ( | 2243 500 | − | 5 | ) | ÷ | ( | 2243 500 | − | 5033 1000 | ) |
| 方程两边同时乘以: | ( | 6 | − | 7 | ) | , | ( | 2243 500 | − | 5033 1000 | ) |
| ( | 6 | − | n | ) | ( | 2243 500 | − | 5033 1000 | ) | = | ( | 2243 500 | − | 5 | ) | ( | 6 | − | 7 | ) |
| 6 | ( | 2243 500 | − | 5033 1000 | ) | − | n | ( | 2243 500 | − | 5033 1000 | ) | = | ( | 2243 500 | − | 5 | ) | ( | 6 | − | 7 | ) |
| 6 | ( | 2243 500 | − | 5033 1000 | ) | − | n | ( | 2243 500 | − | 5033 1000 | ) | = | 2243 500 | ( | 6 | − | 7 | ) | − | 5 | ( | 6 | − | 7 | ) |
| 6 | × | 2243 500 | − | 6 | × | 5033 1000 | − | n | ( | 2243 500 | − | 5033 1000 | ) | = | 2243 500 | ( | 6 | − | 7 | ) | − | 5 | ( | 6 | − | 7 | ) |
| 6 | × | 2243 500 | − | 6 | × | 5033 1000 | − | n | ( | 2243 500 | − | 5033 1000 | ) | = | 2243 500 | × | 6 | − | 2243 500 | × | 7 | − | 5 | ( | 6 | − | 7 | ) |
6729 250 | − | 15099 500 | − | n | ( | 2243 500 | − | 5033 1000 | ) | = | 6729 250 | − | 15701 500 | − | 5 | ( | 6 | − | 7 | ) |
| - | 1641 500 | − | n | ( | 2243 500 | − | 5033 1000 | ) | = | - | 2243 500 | − | 5 | ( | 6 | − | 7 | ) |
| - | 1641 500 | − | n | × | 2243 500 | + | n | × | 5033 1000 | = | - | 2243 500 | − | 5 | ( | 6 | − | 7 | ) |
| - | 1641 500 | − | n | × | 2243 500 | + | n | × | 5033 1000 | = | - | 2243 500 | − | 5 | × | 6 | + | 5 | × | 7 |
| - | 1641 500 | − | n | × | 2243 500 | + | n | × | 5033 1000 | = | - | 2243 500 | − | 30 | + | 35 |
| - | 1641 500 | + | 547 1000 | n | = | 257 500 |
547 1000 | n | = | 257 500 | + | 1641 500 |
547 1000 | n | = | 949 250 |
| n | = | 949 250 | ÷ | 547 1000 |
| = | 949 250 | × | 1000 547 |
| = | 949 | × | 4 547 |
| n | = | 3796 547 |
| n | = | 6.939671 |