| - | 2021 | ÷ | 2022 | + | 1 | = | - | 2021 | × | 3 | + | k |
| Left side of the equation = | - | 2021 2022 | + | 1 |
| = | 1 2022 |
1 2022 | = | - | 2021 | × | 3 | + | k |
| Right side of the equation = | - | 6063 | + | k |
1 2022 | = | - | 6063 | + | k |
| - | k | = | - | 6063 | − | 1 2022 |
| - | k | = | - | 12259387 2022 |
12259387 2022 | = | k |
| k | = | 12259387 2022 |