| ( | 1 | ÷ | 2020 | ) | ( | y | + | 1 | ) | + | 3 | = | 2 | ( | y | + | 1 | ) | + | ( | 18177 | ÷ | 2020 | ) |
| Left side of the equation = | 1 | ÷ | 2020 | × | ( | y | + | 1 | ) | + | 3 |
| = | 1 2020 | ( | y | + | 1 | ) | + | 3 |
| = | 1 2020 | y | + | 1 2020 | × | 1 | + | 3 |
| = | 1 2020 | y | + | 1 2020 | + | 3 |
| = | 1 2020 | y | + | 6061 2020 |
1 2020 | y | + | 6061 2020 | = | 2 | ( | y | + | 1 | ) | + | ( | 18177 | ÷ | 2020 | ) |
| Right side of the equation = | 2 | y | + | 2 | × | 1 | + | ( | 18177 | ÷ | 2020 | ) |
| = | 2 | y | + | 2 | + | ( | 18177 | ÷ | 2020 | ) |
| = | 2 | y | + | 2 | + | 18177 | ÷ | 2020 |
| = | 2 | y | + | 2 | + | 18177 2020 |
| = | 2 | y | + | 22217 2020 |
1 2020 | y | + | 6061 2020 | = | 2 | y | + | 22217 2020 |
1 2020 | y | − | 2 | y | = | 22217 2020 | − | 6061 2020 |
| - | 4039 2020 | y | = | 22217 2020 | − | 6061 2020 |
| - | 4039 2020 | y | = | 4039 505 |
| - | 4039 505 | = | 4039 2020 | y |
4039 2020 | y | = | - | 4039 505 |
| y | = | - | 4039 505 | ÷ | 4039 2020 |
| = | - | 4039 505 | × | 2020 4039 |
| = | - | 577 101 | × | 404 577 |
| y | = | - | 233108 58277 |
| y | = | - | 4 |