| x | ( | 1 | + | 152 100 | ) | ( | 1 | + | 100 100 | ) | = | 253 50 |
| 方程左边 = | x | × | 1 | ( | 1 | + | 100 100 | ) | + | x | × | 152 100 | ( | 1 | + | 100 100 | ) |
| = | x | × | 1 | × | 1 | + | x | × | 1 | × | 100 100 | + | x | × | 152 100 | ( | 1 | + | 100 100 | ) |
| = | x | × | 1 | + | x | × | 1 | + | x | × | 152 100 | ( | 1 | + | 100 100 | ) |
| = | 2 | x | + | x | × | 152 100 | ( | 1 | + | 100 100 | ) |
| = | 2 | x | + | x | × | 152 100 | × | 1 | + | x | × | 152 100 | × | 100 100 |
| = | 2 | x | + | x | × | 38 25 | + | x | × | 38 25 |
| = | 126 25 | x |
126 25 | x | = | 253 50 |
| x | = | 253 50 | ÷ | 126 25 |
| = | 253 50 | × | 25 126 |
| = | 253 2 | × | 1 126 |
| x | = | 253 252 |
| x | = | 1.003968 |