| ( | X | + | 50760 | ) | × | 1 5 | + | 50760 | + | 16200 | = | 270000 |
| Left side of the equation = | ( | X | + | 50760 | ) | × | 1 5 | + | 66960 |
| ( | X | + | 50760 | ) | × | 1 5 | + | 66960 | = | 270000 |
| Left side of the equation = | X | × | 1 5 | + | 50760 | × | 1 5 | + | 66960 |
| = | X | × | 1 5 | + | 10152 | + | 66960 |
| = | 1 5 | X | + | 77112 |
1 5 | X | + | 77112 | = | 270000 |
1 5 | X | = | 270000 | − | 77112 |
1 5 | X | = | 192888 |
| X | = | 192888 | ÷ | 1 5 |
| = | 192888 | × | 5 |
| X | = | 964440 |