54 | × | 399 50 | + | 383 5 | x | = | 653 5 | × | 199 25 |
方程左边 = | 10773 25 | + | 383 5 | x |
10773 25 | + | 383 5 | x | = | 653 5 | × | 199 25 |
方程右边 = | 129947 125 |
10773 25 | + | 383 5 | x | = | 129947 125 |
383 5 | x | = | 129947 125 | − | 10773 25 |
383 5 | x | = | 76082 125 |
x | = | 76082 125 | ÷ | 383 5 |
= | 76082 125 | × | 5 383 |
= | 76082 25 | × | 1 383 |
x | = | 76082 9575 |
x | = | 7.945901 |