| 1000 | ÷ | 135 | − | X | ÷ | 1000 | = | 13 25 | ( | 1080 | + | X | ) |
| Left side of the equation = | 200 27 | − | X | × | 1 1000 |
200 27 | − | 1 1000 | X | = | 13 25 | ( | 1080 | + | X | ) |
| Right side of the equation = | 13 25 | × | 1080 | + | 13 25 | X |
| = | 2808 5 | + | 13 25 | X |
200 27 | − | 1 1000 | X | = | 2808 5 | + | 13 25 | X |
| - | 1 1000 | X | − | 13 25 | X | = | 2808 5 | − | 200 27 |
| - | 521 1000 | X | = | 2808 5 | − | 200 27 |
| - | 521 1000 | X | = | 74816 135 |
| - | 74816 135 | = | 521 1000 | X |
521 1000 | X | = | - | 74816 135 |
| X | = | - | 74816 135 | ÷ | 521 1000 |
| = | - | 74816 135 | × | 1000 521 |
| = | - | 74816 27 | × | 200 521 |
| X | = | - | 14963200 14067 |
| X | = | - 1063.709391 |