| ( | X | − | 205667559 5 | ) | − | ( | 9 10 | X | − | 90905421 25 | ) | × | 28 25 | ( | 1 | − | 25 100 | ) | ÷ | X | = | 6 100 |
| Multiply both sides of the equation by: | X |
| ( | X | − | 205667559 5 | ) | X | − | ( | 9 10 | X | − | 90905421 25 | ) | × | 28 25 | ( | 1 | − | 25 100 | ) | = | 6 100 | X |
| X | X | − | 205667559 5 | X | − | ( | 9 10 | X | − | 90905421 25 | ) | × | 28 25 | ( | 1 | − | 25 100 | ) | = | 6 100 | X |
| X | X | − | 205667559 5 | X | − | 9 10 | X | × | 28 25 | ( | 1 | − | 25 100 | ) | + | 90905421 25 | × | 28 25 | ( | 1 | − | 25 100 | ) | = | 6 100 | X |
| X | X | − | 205667559 5 | X | − | 126 125 | X | ( | 1 | − | 25 100 | ) | + | 2545351788 625 | ( | 1 | − | 25 100 | ) | = | 6 100 | X |
| X | X | − | 205667559 5 | X | − | 126 125 | X | × | 1 | + | 126 125 | X | × | 25 100 | + | 2545351788 625 | ( | 1 | − | 25 100 | ) | = | 6 100 | X |
| X | X | − | 205667559 5 | X | − | 126 125 | X | + | 63 250 | X | + | 2545351788 625 | ( | 1 | − | 25 100 | ) | = | 6 100 | X |