331 25 | x | = | ( | 7 2 | + | x | ) | × | 897 100 |
方程右边 = | 7 2 | × | 897 100 | + | x | × | 897 100 |
= | 6279 200 | + | x | × | 897 100 |
331 25 | x | = | 6279 200 | + | 897 100 | x |
331 25 | x | − | 897 100 | x | = | 6279 200 |
427 100 | x | = | 6279 200 |
x | = | 6279 200 | ÷ | 427 100 |
= | 6279 200 | × | 100 427 |
= | 897 2 | × | 1 61 |
x | = | 897 122 |
x | = | 7.352459 |