| 1 | ÷ | 727 10 | = | ( | 1 | − | 3 10 | × | 3 10 | ) | ÷ | x | + | ( | 1 | − | 7 100 | × | 7 100 | ) | ÷ | 1140 |
| Multiply both sides of the equation by: | x |
| 1 | ÷ | 727 10 | × | x | = | ( | 1 | − | 3 10 | × | 3 10 | ) | + | ( | 1 | − | 7 100 | × | 7 100 | ) | ÷ | 1140 | × | x |
| 1 | ÷ | 727 10 | × | x | = | 1 | − | 3 10 | × | 3 10 | + | ( | 1 | − | 7 100 | × | 7 100 | ) | ÷ | 1140 | × | x |
10 727 | x | = | 1 | − | 9 100 | + | ( | 1 | − | 7 100 | × | 7 100 | ) | × | 1 1140 | x |
10 727 | x | = | 91 100 | + | ( | 1 | − | 7 100 | × | 7 100 | ) | × | 1 1140 | x |
10 727 | x | = | 91 100 | + | 1 | × | 1 1140 | x | − | 7 100 | × | 7 100 | × | 1 1140 | x |
10 727 | x | = | 91 100 | + | 1 1140 | x | − | 49 11400000 | x |