55 | × | 791 100 | + | 64 5 | x | = | ( | 55 | + | x | ) | × | 199 25 |
方程左边 = | 8701 20 | + | 64 5 | x |
8701 20 | + | 64 5 | x | = | ( | 55 | + | x | ) | × | 199 25 |
方程右边 = | 55 | × | 199 25 | + | x | × | 199 25 |
= | 2189 5 | + | x | × | 199 25 |
8701 20 | + | 64 5 | x | = | 2189 5 | + | 199 25 | x |
64 5 | x | − | 199 25 | x | = | 2189 5 | − | 8701 20 |
121 25 | x | = | 2189 5 | − | 8701 20 |
121 25 | x | = | 11 4 |
x | = | 11 4 | ÷ | 121 25 |
= | 11 4 | × | 25 121 |
= | 1 4 | × | 25 11 |
x | = | 25 44 |
x | = | 0.568182 |