3 5 | x | + | 49 10 | = | 119 10 | + | 1 10 | x |
3 5 | x | − | 1 10 | x | = | 119 10 | − | 49 10 |
1 2 | x | = | 119 10 | − | 49 10 |
1 2 | x | = | 7 |
| x | = | 7 | ÷ | 1 2 |
| = | 7 | × | 2 |
| x | = | 14 |
7 10 | x | + | 14 5 | = | 43 10 | + | 2 5 | x |
7 10 | x | − | 2 5 | x | = | 43 10 | − | 14 5 |
3 10 | x | = | 43 10 | − | 14 5 |
3 10 | x | = | 3 2 |
| x | = | 3 2 | ÷ | 3 10 |
| = | 3 2 | × | 10 3 |
| = | 1 | × | 5 |
| x | = | 5 |
3 10 | x | + | 4 5 | x | + | 16 5 | = | 49 5 |
| 方程左边 = | 11 10 | x | + | 16 5 |
11 10 | x | + | 16 5 | = | 49 5 |
11 10 | x | = | 49 5 | − | 16 5 |
11 10 | x | = | 33 5 |
| x | = | 33 5 | ÷ | 11 10 |
| = | 33 5 | × | 10 11 |
| = | 3 | × | 2 |
| x | = | 6 |
1 2 | x | + | 3 10 | x | − | 13 5 | = | 7 5 |
| 方程左边 = | 4 5 | x | − | 13 5 |
4 5 | x | − | 13 5 | = | 7 5 |
4 5 | x | = | 7 5 | + | 13 5 |
4 5 | x | = | 4 |
| x | = | 4 | ÷ | 4 5 |
| = | 4 | × | 5 4 |
| = | 1 | × | 5 |
| x | = | 5 |
4 5 | x | + | 6 5 | = | 19 10 | + | 1 10 | x |
4 5 | x | − | 1 10 | x | = | 19 10 | − | 6 5 |
7 10 | x | = | 19 10 | − | 6 5 |
7 10 | x | = | 7 10 |
| x | = | 7 10 | ÷ | 7 10 |
| = | 7 10 | × | 10 7 |
| = | 1 | × | 1 |
| x | = | 1 |
9 10 | x | − | 17 5 | = | 27 5 | + | 1 10 | x |
9 10 | x | − | 1 10 | x | = | 27 5 | + | 17 5 |
4 5 | x | = | 27 5 | + | 17 5 |
4 5 | x | = | 44 5 |
| x | = | 44 5 | ÷ | 4 5 |
| = | 44 5 | × | 5 4 |
| = | 11 | × | 1 |
| x | = | 11 |