21 250 | + | 21 250 | x | ÷ | 157 50 | ÷ | 9 | × | 101 100 | = | x |
| 方程左边 = | 21 250 | + | 707 235500 | x |
21 250 | + | 707 235500 | x | = | x |
707 235500 | x | − | x | = | - | 21 250 |
| - | 234793 235500 | x | = | - | 21 250 |
21 250 | = | 234793 235500 | x |
234793 235500 | x | = | 21 250 |
| x | = | 21 250 | ÷ | 234793 235500 |
| = | 21 250 | × | 235500 234793 |
| = | 21 | × | 942 234793 |
| x | = | 19782 234793 |
| x | = | 0.084253 |