| x | ( | 1163 10000 | + | 357 10000 | + | x | + | x | × | 7901 100 | ÷ | 2099 100 | ) | = | 1 500 |
| 方程左边 = | x | × | 1163 10000 | + | x | × | 357 10000 | + | x | x | + | x | x | × | 7901 100 | ÷ | 2099 100 |
| = | x | × | 1163 10000 | + | x | × | 357 10000 | + | x | x | + | x | x | × | 7901 2099 |
| = | 19 125 | x | + | x | x | + | x | x | × | 7901 2099 |
19 125 | x | + | x | x | + | x | x | × | 7901 2099 | = | 1 500 |