| x | = | 3 20 | x | + | 1001043 25 | + | 68071 100 | + | 42 625 | x |
| 方程右边 = | 543 2500 | x | + | 4072243 100 |
| x | = | 543 2500 | x | + | 4072243 100 |
| x | − | 543 2500 | x | = | 4072243 100 |
1957 2500 | x | = | 4072243 100 |
| x | = | 4072243 100 | ÷ | 1957 2500 |
| = | 4072243 100 | × | 2500 1957 |
| = | 4072243 | × | 25 1957 |
| x | = | 101806075 1957 |
| x | = | 52021.499745 |