| x | ÷ | 53 50 | × | 3 50 | × | 1 2 | × | 17 20 | = | 33 1000 | × | 17 20 | x |
| Left side of the equation = | x | × | 51 2120 |
51 2120 | x | = | 33 1000 | × | 17 20 | x |
| Right side of the equation = | 561 20000 | x |
51 2120 | x | = | 561 20000 | x |
51 2120 | x | − | 561 20000 | x | = | 0 |
| - | 4233 1060000 | x | = | 0 |
| - | 0 | = | 4233 1060000 | x |
4233 1060000 | x | = | - | 0 |
| x | = | - | 0 | ÷ | 4233 1060000 |
| = | - | 0 | × | 1060000 4233 |
| x | = | 0 |