| ( | x | − | 2 | ) | ÷ | 2019 | + | x | ÷ | 2020 | + | ( | x | + | 2 | ÷ | 2021 | ) | = | 6 |
| 方程左边 = | x | × | 1 2019 | − | 2 | × | 1 2019 | + | 1 2020 | x | + | ( | x | + | 2 | ÷ | 2021 | ) |
| = | x | × | 1 2019 | − | 2 2019 | + | 1 2020 | x | + | ( | x | + | 2 | ÷ | 2021 | ) |
| = | 4039 4078380 | x | − | 2 2019 | + | ( | x | + | 2 | ÷ | 2021 | ) |
| = | 4039 4078380 | x | − | 2 2019 | + | x | + | 2 | ÷ | 2021 |
| = | 4039 4078380 | x | − | 2 2019 | + | x | + | 2 2021 |
| = | 4082419 4078380 | x | − | 4 4080399 |
4082419 4078380 | x | − | 4 4080399 | = | 6 |
4082419 4078380 | x | = | 6 | + | 4 4080399 |
4082419 4078380 | x | = | 24482398 4080399 |
| x | = | 24482398 4080399 | ÷ | 4082419 4078380 |
| = | 24482398 4080399 | × | 4078380 4082419 |
| = | 24482398 2021 | × | 2020 4082419 |
| x | = | 49454443960 8250568799 |