99 10 | + | 1 | + | ( | x | − | 9500000 | ) | ÷ | 3000000 | = | 1111 100 |
| 方程左边 = | 109 10 | + | ( | x | − | 9500000 | ) | × | 1 3000000 |
109 10 | + | ( | x | − | 9500000 | ) | × | 1 3000000 | = | 1111 100 |
| 方程左边 = | 109 10 | + | x | × | 1 3000000 | − | 9500000 | × | 1 3000000 |
| = | 109 10 | + | x | × | 1 3000000 | − | 19 6 |
| = | 116 15 | + | 1 3000000 | x |
116 15 | + | 1 3000000 | x | = | 1111 100 |
1 3000000 | x | = | 1111 100 | − | 116 15 |
1 3000000 | x | = | 1013 300 |
| x | = | 1013 300 | ÷ | 1 3000000 |
| = | 1013 300 | × | 3000000 |
| = | 1013 | × | 10000 |
| x | = | 10130000 |