| ( | X | + | 4000000 | ) | + | ( | X | + | 4000000 | ) | × | 127 2000 | ( | 247 | ÷ | 365 | ) | = | 15774557 |
| 方程左边 = | X | + | 4000000 | + | ( | X | + | 4000000 | ) | × | 127 2000 | ( | 247 | ÷ | 365 | ) |
| = | X | + | 4000000 | + | X | × | 127 2000 | ( | 247 | ÷ | 365 | ) | + | 4000000 | × | 127 2000 | ( | 247 | ÷ | 365 | ) |
| = | X | + | 4000000 | + | X | × | 127 2000 | ( | 247 | ÷ | 365 | ) | + | 254000 | ( | 247 | ÷ | 365 | ) |
| = | X | + | 4000000 | + | X | × | 127 2000 | × | 247 | ÷ | 365 | + | 254000 | ( | 247 | ÷ | 365 | ) |
| = | X | + | 4000000 | + | X | × | 31369 730000 | + | 254000 | ( | 247 | ÷ | 365 | ) |
| = | 761369 730000 | X | + | 4000000 | + | 254000 | ( | 247 | ÷ | 365 | ) |
| = | 761369 730000 | X | + | 4000000 | + | 254000 | × | 247 | ÷ | 365 |
| = | 761369 730000 | X | + | 4000000 | + | 12547600 73 |
| = | 761369 730000 | X | + | 304547600 73 |
761369 730000 | X | + | 304547600 73 | = | 15774557 |
761369 730000 | X | = | 15774557 | − | 304547600 73 |
761369 730000 | X | = | 846995061 73 |
| X | = | 846995061 73 | ÷ | 761369 730000 |
| = | 846995061 73 | × | 730000 761369 |
| = | 846995061 | × | 10000 761369 |
| X | = | 8469950610000 761369 |