| ( | 1171 20 | − | x | ) | ( | 1 | ÷ | 118217 100 | + | 9 50000 | ) | = | ( | 1 | ÷ | 4367 2 | + | 9 100000 | ) | ( | x | − | 30 | ) |
| Left side of the equation = | 1171 20 | ( | 1 | ÷ | 118217 100 | + | 9 50000 | ) | − | x | ( | 1 | ÷ | 118217 100 | + | 9 50000 | ) |
| = | 1171 20 | × | 1 | ÷ | 118217 100 | + | 1171 20 | × | 9 50000 | − | x | ( | 1 | ÷ | 118217 100 | + | 9 50000 | ) |
| = | 5855 118217 | + | 10539 1000000 | − | x | ( | 1 | ÷ | 118217 100 | + | 9 50000 | ) |