| 36000000 | × | 3 | + | ( | X | − | 36000000 | × | 3 | ) | × | 35 100 | = | 11698880527 25 |
| 方程左边 = | 108000000 | + | ( | X | − | 36000000 | × | 3 | ) | × | 35 100 |
| 108000000 | + | ( | X | − | 36000000 | × | 3 | ) | × | 35 100 | = | 11698880527 25 |
| 方程左边 = | 108000000 | + | X | × | 35 100 | − | 36000000 | × | 3 | × | 35 100 |
| = | 108000000 | + | X | × | 35 100 | − | 37800000 |
| = | 70200000 | + | 35 100 | X |
| 70200000 | + | 35 100 | X | = | 11698880527 25 |
35 100 | X | = | 11698880527 25 | − | 70200000 |
35 100 | X | = | 9943880527 25 |
| X | = | 9943880527 25 | ÷ | 35 100 |
| = | 9943880527 25 | × | 100 35 |
| = | 1420554361 | × | 4 5 |
| X | = | 5682217444 5 |
| X | = | 1136443488.799999952 |