308 25 | x | = | ( | 7 2 | + | x | ) | × | 449 50 |
方程右边 = | 7 2 | × | 449 50 | + | x | × | 449 50 |
= | 3143 100 | + | x | × | 449 50 |
308 25 | x | = | 3143 100 | + | 449 50 | x |
308 25 | x | − | 449 50 | x | = | 3143 100 |
167 50 | x | = | 3143 100 |
x | = | 3143 100 | ÷ | 167 50 |
= | 3143 100 | × | 50 167 |
= | 3143 2 | × | 1 167 |
x | = | 3143 334 |
x | = | 9.41018 |