7 10 | x | + | 1 10 | = | 135191 5000 | × | 70 | ( | 1 | − | x | ) |
| 方程右边 = | 946337 500 | ( | 1 | − | x | ) |
7 10 | x | + | 1 10 | = | 946337 500 | ( | 1 | − | x | ) |
| 方程右边 = | 946337 500 | × | 1 | − | 946337 500 | x |
| = | 946337 500 | − | 946337 500 | x |
7 10 | x | + | 1 10 | = | 946337 500 | − | 946337 500 | x |
7 10 | x | + | 946337 500 | x | = | 946337 500 | − | 1 10 |
946687 500 | x | = | 946337 500 | − | 1 10 |
946687 500 | x | = | 946287 500 |
| x | = | 946287 500 | ÷ | 946687 500 |
| = | 946287 500 | × | 500 946687 |
| = | 946287 | × | 1 946687 |
| x | = | 946287 946687 |
| x | = | 0.999577 |