| x | ÷ | 2023 | + | ( | x | + | 1 | ) | ÷ | 2022 | + | ( | x | + | 2 | ) | ÷ | 2021 | + | ( | x | + | 3 | ) | ÷ | 2020 | = | 4 |
| Left side of the equation = | 1 2023 | x | + | x | × | 1 2022 | + | 1 | × | 1 2022 | + | ( | x | + | 2 | ) | × | 1 2021 | + | ( | x | + | 3 | ) | × | 1 2020 |
| = | 1 2023 | x | + | x | × | 1 2022 | + | 1 2022 | + | ( | x | + | 2 | ) | × | 1 2021 | + | ( | x | + | 3 | ) | × | 1 2020 |
| = | 4045 4090506 | x | + | 1 2022 | + | ( | x | + | 2 | ) | × | 1 2021 | + | ( | x | + | 3 | ) | × | 1 2020 |
| = | 4045 4090506 | x | + | 1 2022 | + | x | × | 1 2021 | + | 2 | × | 1 2021 | + | ( | x | + | 3 | ) | × | 1 2020 |
| = | 4045 4090506 | x | + | 1 2022 | + | x | × | 1 2021 | + | 2 2021 | + | ( | x | + | 3 | ) | × | 1 2020 |
| = | 12265451 8266912626 | x | + | 6065 4086462 | + | ( | x | + | 3 | ) | × | 1 2020 |
| = | 12265451 8266912626 | x | + | 6065 4086462 | + | x | × | 1 2020 | + | 3 | × | 1 2020 |
| = | 12265451 8266912626 | x | + | 6065 4086462 | + | x | × | 1 2020 | + | 3 2020 |