53 50 | x | + | 113 100 | ( | 279 | − | 102 | − | x | ) | + | 102 | × | 109 100 | = | 305 |
| Left side of the equation = | 53 50 | x | + | 113 100 | ( | 279 | − | 102 | − | x | ) | + | 5559 50 |
53 50 | x | + | 113 100 | ( | 279 | − | 102 | − | x | ) | + | 5559 50 | = | 305 |
| Left side of the equation = | 53 50 | x | + | 113 100 | × | 279 | − | 113 100 | × | 102 | − | 113 100 | x | + | 5559 50 |
| = | 53 50 | x | + | 31527 100 | − | 5763 50 | − | 113 100 | x | + | 5559 50 |
| = | - | 7 100 | x | + | 31119 100 |
| - | 7 100 | x | + | 31119 100 | = | 305 |
| - | 7 100 | x | = | 305 | − | 31119 100 |
| - | 7 100 | x | = | - | 619 100 |
619 100 | = | 7 100 | x |
7 100 | x | = | 619 100 |
| x | = | 619 100 | ÷ | 7 100 |
| = | 619 100 | × | 100 7 |
| = | 619 | × | 1 7 |
| x | = | 619 7 |
| x | = | 88.428571 |