4 5 | x | + | 3 2 | = | 21 10 | + | 3 5 | x |
4 5 | x | − | 3 5 | x | = | 21 10 | − | 3 2 |
1 5 | x | = | 21 10 | − | 3 2 |
1 5 | x | = | 3 5 |
| x | = | 3 5 | ÷ | 1 5 |
| = | 3 5 | × | 5 |
| = | 3 | × | 1 |
| x | = | 3 |
3 10 | x | + | 6 5 | = | 9 5 | + | 1 5 | x |
3 10 | x | − | 1 5 | x | = | 9 5 | − | 6 5 |
1 10 | x | = | 9 5 | − | 6 5 |
1 10 | x | = | 3 5 |
| x | = | 3 5 | ÷ | 1 10 |
| = | 3 5 | × | 10 |
| = | 3 | × | 2 |
| x | = | 6 |
1 5 | x | + | 9 10 | x | − | 7 2 | = | 15 2 |
| 方程左边 = | 11 10 | x | − | 7 2 |
11 10 | x | − | 7 2 | = | 15 2 |
11 10 | x | = | 15 2 | + | 7 2 |
11 10 | x | = | 11 |
| x | = | 11 | ÷ | 11 10 |
| = | 11 | × | 10 11 |
| = | 1 | × | 10 |
| x | = | 10 |
3 5 | x | − | 24 5 | = | 6 5 | + | 1 5 | x |
3 5 | x | − | 1 5 | x | = | 6 5 | + | 24 5 |
2 5 | x | = | 6 5 | + | 24 5 |
2 5 | x | = | 6 |
| x | = | 6 | ÷ | 2 5 |
| = | 6 | × | 5 2 |
| = | 3 | × | 5 |
| x | = | 15 |
9 10 | x | + | 13 5 | = | 29 10 | + | 4 5 | x |
9 10 | x | − | 4 5 | x | = | 29 10 | − | 13 5 |
1 10 | x | = | 29 10 | − | 13 5 |
1 10 | x | = | 3 10 |
| x | = | 3 10 | ÷ | 1 10 |
| = | 3 10 | × | 10 |
| = | 3 | × | 1 |
| x | = | 3 |
9 10 | x | − | 39 10 | = | 17 10 | + | 1 10 | x |
9 10 | x | − | 1 10 | x | = | 17 10 | + | 39 10 |
4 5 | x | = | 17 10 | + | 39 10 |
4 5 | x | = | 28 5 |
| x | = | 28 5 | ÷ | 4 5 |
| = | 28 5 | × | 5 4 |
| = | 7 | × | 1 |
| x | = | 7 |