| 20 | × | 157 50 | × | 3 5 | ( | x | − | 20 | ) | = | ( | 2 | × | 157 50 | × | 147 1000 | ( | 560 | − | x | ) | ) | ÷ | 1823 10000 |
| 方程左边 = | 942 25 | ( | x | − | 20 | ) |
942 25 | ( | x | − | 20 | ) | = | ( | 2 | × | 157 50 | × | 147 1000 | ( | 560 | − | x | ) | ) | ÷ | 1823 10000 |
| 方程左边 = | 942 25 | x | − | 942 25 | × | 20 |
| = | 942 25 | x | − | 3768 5 |
942 25 | x | − | 3768 5 | = | ( | 2 | × | 157 50 | × | 147 1000 | ( | 560 | − | x | ) | ) | ÷ | 1823 10000 |
| 方程右边 = | 2 | × | 157 50 | × | 147 1000 | ( | 560 | − | x | ) | × | 10000 1823 |
| = | 46158 9115 | ( | 560 | − | x | ) |
| = | 46158 9115 | × | 560 | − | 46158 9115 | x |
| = | 5169696 1823 | − | 46158 9115 | x |
942 25 | x | − | 3768 5 | = | 5169696 1823 | − | 46158 9115 | x |
942 25 | x | + | 46158 9115 | x | = | 5169696 1823 | + | 3768 5 |
1948056 45575 | x | = | 5169696 1823 | + | 3768 5 |
1948056 45575 | x | = | 32717544 9115 |
| x | = | 32717544 9115 | ÷ | 1948056 45575 |
| = | 32717544 9115 | × | 45575 1948056 |
| = | 8683 1823 | × | 9115 517 |
| x | = | 79145545 942491 |
| x | = | 83.974855 |