| ( | 12 | − | x | ) | ÷ | 47 | − | x | ÷ | 20 | = | ( | x | − | 53 100 | ) | ÷ | 61 | ÷ | 2 |
| Left side of the equation = | 12 | × | 1 47 | − | x | × | 1 47 | − | 1 20 | x |
| = | 12 47 | − | x | × | 1 47 | − | 1 20 | x |
| = | 12 47 | − | 67 940 | x |
12 47 | − | 67 940 | x | = | ( | x | − | 53 100 | ) | ÷ | 61 | ÷ | 2 |
| Right side of the equation = | ( | x | − | 53 100 | ) | × | 1 122 |
12 47 | − | 67 940 | x | = | ( | x | − | 53 100 | ) | × | 1 122 |
| Right side of the equation = | x | × | 1 122 | − | 53 100 | × | 1 122 |
| = | x | × | 1 122 | − | 53 12200 |
12 47 | − | 67 940 | x | = | 1 122 | x | − | 53 12200 |
| - | 67 940 | x | − | 1 122 | x | = | - | 53 12200 | − | 12 47 |
| - | 4557 57340 | x | = | - | 53 12200 | − | 12 47 |
| - | 4557 57340 | x | = | - | 148891 573400 |
148891 573400 | = | 4557 57340 | x |
4557 57340 | x | = | 148891 573400 |
| x | = | 148891 573400 | ÷ | 4557 57340 |
| = | 148891 573400 | × | 57340 4557 |
| = | 148891 10 | × | 1 4557 |
| x | = | 148891 45570 |
| x | = | 3.267303 |