1311 100 | x | = | 399 50 | ( | 16 5 | + | x | ) |
方程右边 = | 399 50 | × | 16 5 | + | 399 50 | x |
= | 3192 125 | + | 399 50 | x |
1311 100 | x | = | 3192 125 | + | 399 50 | x |
1311 100 | x | − | 399 50 | x | = | 3192 125 |
513 100 | x | = | 3192 125 |
x | = | 3192 125 | ÷ | 513 100 |
= | 3192 125 | × | 100 513 |
= | 1064 5 | × | 4 171 |
x | = | 4256 855 |
x | = | 224 45 |
x | = | 4.977778 |