| y | = | ( | 529 2000 | × | 189 1000 | + | 1 5 | × | 99 500 | ) | ÷ | ( | 529 2000 | × | 357 1000 | ) |
| 方程两边同时乘以: | ( | 529 2000 | × | 357 1000 | ) |
| y | ( | 529 2000 | × | 357 1000 | ) | = | ( | 529 2000 | × | 189 1000 | + | 1 5 | × | 99 500 | ) |
| y | × | 529 2000 | × | 357 1000 | = | ( | 529 2000 | × | 189 1000 | + | 1 5 | × | 99 500 | ) |
| y | × | 529 2000 | × | 357 1000 | = | 529 2000 | × | 189 1000 | + | 1 5 | × | 99 500 |
| y | × | 188853 2000000 | = | 99981 2000000 | + | 99 2500 |
188853 2000000 | y | = | 179181 2000000 |
| y | = | 179181 2000000 | ÷ | 188853 2000000 |
| = | 179181 2000000 | × | 2000000 188853 |
| = | 59727 | × | 1 62951 |
| y | = | 59727 62951 |
| y | = | 0.948786 |