x | ÷ | 1791 5 | ÷ | ( | x | ÷ | 1791 5 | + | 1 | ÷ | 18 | ) | = | 351 2500000 |
方程两边同时乘以: | ( | x | ÷ | 1791 5 | + | 1 | ÷ | 18 | ) |
x | ÷ | 1791 5 | = | 351 2500000 | ( | x | ÷ | 1791 5 | + | 1 | ÷ | 18 | ) |
x | ÷ | 1791 5 | = | 351 2500000 | x | ÷ | 1791 5 | + | 351 2500000 | × | 1 | ÷ | 18 |
x | × | 5 1791 | = | 39 99500000 | x | + | 39 5000000 |
5 1791 | x | − | 39 99500000 | x | = | 39 5000000 |