| ( | 4 5 | + | 400 | ÷ | 1000 | + | X | ÷ | 1650 | + | 340 | ÷ | 108 | ) | × | 1000 | = | 3 | ( | 1360 | + | X | ) |
| Left side of the equation = | 4 5 | × | 1000 | + | 400 | ÷ | 1000 | × | 1000 | + | X | ÷ | 1650 | × | 1000 | + | 340 | ÷ | 108 | × | 1000 |
| = | 800 | + | 400 | + | X | × | 20 33 | + | 85000 27 |
| = | 117400 27 | + | 20 33 | X |
117400 27 | + | 20 33 | X | = | 3 | ( | 1360 | + | X | ) |
| Right side of the equation = | 3 | × | 1360 | + | 3 | X |
| = | 4080 | + | 3 | X |
117400 27 | + | 20 33 | X | = | 4080 | + | 3 | X |
20 33 | X | − | 3 | X | = | 4080 | − | 117400 27 |
| - | 79 33 | X | = | 4080 | − | 117400 27 |
| - | 79 33 | X | = | - | 7240 27 |
7240 27 | = | 79 33 | X |
79 33 | X | = | 7240 27 |
| X | = | 7240 27 | ÷ | 79 33 |
| = | 7240 27 | × | 33 79 |
| = | 7240 9 | × | 11 79 |
| X | = | 79640 711 |
| X | = | 112.011252 |