| 1 | ÷ | 6463 20 | = | x | ÷ | 7463 20 | + | ( | 1 | − | 17 250 | − | x | ) | ÷ | 4063 20 | + | 17 250 | ÷ | 5163 20 |
| Left side of the equation = | 20 6463 |
20 6463 | = | x | ÷ | 7463 20 | + | ( | 1 | − | 17 250 | − | x | ) | ÷ | 4063 20 | + | 17 250 | ÷ | 5163 20 |
| Right side of the equation = | x | × | 20 7463 | + | ( | 1 | − | 17 250 | − | x | ) | × | 20 4063 | + | 34 129075 |
20 6463 | = | 20 7463 | x | + | ( | 1 | − | 17 250 | − | x | ) | × | 20 4063 | + | 34 129075 |
| Right side of the equation = | 20 7463 | x | + | 1 | × | 20 4063 | − | 17 250 | × | 20 4063 | − | x | × | 20 4063 | + | 34 129075 |
| = | 20 7463 | x | + | 20 4063 | − | 2 5975 | − | x | × | 20 4063 | + | 34 129075 |