| 2014 | − | x | ÷ | 2013 | + | 2016 | − | x | ÷ | 2015 | = | 2018 | − | x | ÷ | 2017 | + | 2020 | − | x | ÷ | 2019 |
| Left side of the equation = | 4030 | − | 4028 4056195 | x |
| 4030 | − | 4028 4056195 | x | = | 2018 | − | x | ÷ | 2017 | + | 2020 | − | x | ÷ | 2019 |
| Right side of the equation = | 4038 | − | 4036 4072323 | x |
| 4030 | − | 4028 4056195 | x | = | 4038 | − | 4036 4072323 | x |
| - | 4028 4056195 | x | + | 4036 4072323 | x | = | 4038 | − | 4030 |