| x | = | ( | 424961 100 | × | 429 50 | + | 3449 5 | × | 263 100 | − | 91 | × | 1959 100 | − | 94049 100 | × | 1409 100 | − | 36141 25 | × | 969 100 | ) | ÷ | ( | 4063 250 | + | 197 50 | − | 27 2 | ) |
| 方程两边同时乘以: | ( | 4063 250 | + | 197 50 | − | 27 2 | ) |
| x | ( | 4063 250 | + | 197 50 | − | 27 2 | ) | = | ( | 424961 100 | × | 429 50 | + | 3449 5 | × | 263 100 | − | 91 | × | 1959 100 | − | 94049 100 | × | 1409 100 | − | 36141 25 | × | 969 100 | ) |
| x | × | 4063 250 | + | x | × | 197 50 | − | x | × | 27 2 | = | ( | 424961 100 | × | 429 50 | + | 3449 5 | × | 263 100 | − | 91 | × | 1959 100 | − | 94049 100 | × | 1409 100 | − | 36141 25 | × | 969 100 | ) |
| x | × | 4063 250 | + | x | × | 197 50 | − | x | × | 27 2 | = | 424961 100 | × | 429 50 | + | 3449 5 | × | 263 100 | − | 91 | × | 1959 100 | − | 94049 100 | × | 1409 100 | − | 36141 25 | × | 969 100 |
| x | × | 4063 250 | + | x | × | 197 50 | − | x | × | 27 2 | = | 182308269 5000 | + | 907087 500 | − | 178269 100 | − | 132515041 10000 | − | 35020629 2500 |