123 10 | c | = | ( | 17 5 | + | c | ) | × | 793 100 |
| 方程右边 = | 17 5 | × | 793 100 | + | c | × | 793 100 |
| = | 13481 500 | + | c | × | 793 100 |
123 10 | c | = | 13481 500 | + | 793 100 | c |
123 10 | c | − | 793 100 | c | = | 13481 500 |
437 100 | c | = | 13481 500 |
| c | = | 13481 500 | ÷ | 437 100 |
| = | 13481 500 | × | 100 437 |
| = | 13481 5 | × | 1 437 |
| c | = | 13481 2185 |
| c | = | 6.169794 |