66 5 | c | = | ( | 16 5 | + | c | ) | × | 793 100 |
| Right side of the equation = | 16 5 | × | 793 100 | + | c | × | 793 100 |
| = | 3172 125 | + | c | × | 793 100 |
66 5 | c | = | 3172 125 | + | 793 100 | c |
66 5 | c | − | 793 100 | c | = | 3172 125 |
527 100 | c | = | 3172 125 |
| c | = | 3172 125 | ÷ | 527 100 |
| = | 3172 125 | × | 100 527 |
| = | 3172 5 | × | 4 527 |
| c | = | 12688 2635 |
| c | = | 4.81518 |