| ( | 2000 | × | 12 | × | 9 10 | − | 70 100 | × | 130 | X | × | 637 10000 | ) | ÷ | ( | 30 100 | × | 130 | X | + | 5 100 | × | 130 | X | ) | = | 19 500 |
| Multiply both sides of the equation by: | ( | 30 100 | × | 130 | X | + | 5 100 | × | 130 | X | ) |
| ( | 2000 | × | 12 | × | 9 10 | − | 70 100 | × | 130 | X | × | 637 10000 | ) | = | 19 500 | ( | 30 100 | × | 130 | X | + | 5 100 | × | 130 | X | ) |
| 2000 | × | 12 | × | 9 10 | − | 70 100 | × | 130 | X | × | 637 10000 | = | 19 500 | ( | 30 100 | × | 130 | X | + | 5 100 | × | 130 | X | ) |
| 2000 | × | 12 | × | 9 10 | − | 70 100 | × | 130 | X | × | 637 10000 | = | 19 500 | × | 30 100 | × | 130 | X | + | 19 500 | × | 5 100 | × | 130 | X |
| 21600 | − | 57967 10000 | X | = | 741 500 | X | + | 247 1000 | X |
| 21600 | − | 57967 10000 | X | = | 1729 1000 | X |
| - | 57967 10000 | X | − | 1729 1000 | X | = | - | 21600 |
| - | 75257 10000 | X | = | - | 21600 |
| 21600 | = | 75257 10000 | X |
75257 10000 | X | = | 21600 |
| X | = | 21600 | ÷ | 75257 10000 |
| = | 21600 | × | 10000 75257 |
| X | = | 216000000 75257 |
| X | = | 2870.164902 |