601 50 | c | = | ( | 17 5 | + | c | ) | × | 399 50 |
| 方程右边 = | 17 5 | × | 399 50 | + | c | × | 399 50 |
| = | 6783 250 | + | c | × | 399 50 |
601 50 | c | = | 6783 250 | + | 399 50 | c |
601 50 | c | − | 399 50 | c | = | 6783 250 |
101 25 | c | = | 6783 250 |
| c | = | 6783 250 | ÷ | 101 25 |
| = | 6783 250 | × | 25 101 |
| = | 6783 10 | × | 1 101 |
| c | = | 6783 1010 |
| c | = | 6.715842 |