| ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 | + | ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 | = | 55682 25 |
| Left side of the equation = | ( | X | − | 160 | ) | ÷ | 4 5 | × | 1 5 | − | 800 | × | 1 5 | + | ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 |
| = | ( | X | − | 160 | ) | × | 1 4 | − | 160 | + | ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 |
| = | X | × | 1 4 | − | 160 | × | 1 4 | − | 160 | + | ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 |
| = | X | × | 1 4 | − | 40 | − | 160 | + | ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 |
| = | 1 4 | X | − | 200 | + | ( | ( | X | − | 160 | ) | ÷ | 4 5 | − | 800 | ) | × | 1 5 |
| = | 1 4 | X | − | 200 | + | ( | X | − | 160 | ) | ÷ | 4 5 | × | 1 5 | − | 800 | × | 1 5 |
| = | 1 4 | X | − | 200 | + | ( | X | − | 160 | ) | × | 1 4 | − | 160 |
| = | 1 4 | X | − | 360 | + | ( | X | − | 160 | ) | × | 1 4 |
| = | 1 4 | X | − | 360 | + | X | × | 1 4 | − | 160 | × | 1 4 |
| = | 1 4 | X | − | 360 | + | X | × | 1 4 | − | 40 |
| = | 1 2 | X | − | 400 |
1 2 | X | − | 400 | = | 55682 25 |
1 2 | X | = | 55682 25 | + | 400 |
1 2 | X | = | 65682 25 |
| X | = | 65682 25 | ÷ | 1 2 |
| = | 65682 25 | × | 2 |
| X | = | 131364 25 |
| X | = | 5254.56 |