1163 100 | × | 3 5 | ( | x | − | 20 | ) | = | ( | 2 | × | 4511 50000 | ( | 438 | − | x | ) | ) | ÷ | 2027 5000 |
| 方程左边 = | 3489 500 | ( | x | − | 20 | ) |
3489 500 | ( | x | − | 20 | ) | = | ( | 2 | × | 4511 50000 | ( | 438 | − | x | ) | ) | ÷ | 2027 5000 |
| 方程左边 = | 3489 500 | x | − | 3489 500 | × | 20 |
| = | 3489 500 | x | − | 3489 25 |
3489 500 | x | − | 3489 25 | = | ( | 2 | × | 4511 50000 | ( | 438 | − | x | ) | ) | ÷ | 2027 5000 |
| 方程右边 = | 2 | × | 4511 50000 | ( | 438 | − | x | ) | × | 5000 2027 |
| = | 4511 10135 | ( | 438 | − | x | ) |
| = | 4511 10135 | × | 438 | − | 4511 10135 | x |
| = | 1975818 10135 | − | 4511 10135 | x |
3489 500 | x | − | 3489 25 | = | 1975818 10135 | − | 4511 10135 | x |
3489 500 | x | + | 4511 10135 | x | = | 1975818 10135 | + | 3489 25 |
7523303 1013500 | x | = | 1975818 10135 | + | 3489 25 |
7523303 1013500 | x | = | 16951293 50675 |
| x | = | 16951293 50675 | ÷ | 7523303 1013500 |
| = | 16951293 50675 | × | 1013500 7523303 |
| = | 16951293 2027 | × | 40540 7523303 |
| x | = | 687205418220 15249735181 |