60 | ÷ | 99 | = | ( | 1 | + | 1 100 | x | ) | ÷ | ( | 1 | + | 4 | x | ) |
方程两边同时乘以: | ( | 1 | + | 4 | x | ) |
60 | ÷ | 99 | × | ( | 1 | + | 4 | x | ) | = | ( | 1 | + | 1 100 | x | ) |
60 | ÷ | 99 | × | 1 | + | 60 | ÷ | 99 | × | 4 | x | = | ( | 1 | + | 1 100 | x | ) |
60 | ÷ | 99 | × | 1 | + | 60 | ÷ | 99 | × | 4 | x | = | 1 | + | 1 100 | x |
20 33 | + | 80 33 | x | = | 1 | + | 1 100 | x |
80 33 | x | − | 1 100 | x | = | 1 | − | 20 33 |
7967 3300 | x | = | 1 | − | 20 33 |
7967 3300 | x | = | 13 33 |
x | = | 13 33 | ÷ | 7967 3300 |
= | 13 33 | × | 3300 7967 |
= | 13 | × | 100 7967 |
x | = | 1300 7967 |
x | = | 0.163173 |