| ( | x | + | 100 | ) | ÷ | 120 | + | x | ÷ | 100 | = | 36 |
| 方程左边 = | x | × | 1 120 | + | 100 | × | 1 120 | + | 1 100 | x |
| = | x | × | 1 120 | + | 5 6 | + | 1 100 | x |
| = | 11 600 | x | + | 5 6 |
11 600 | x | + | 5 6 | = | 36 |
11 600 | x | = | 36 | − | 5 6 |
11 600 | x | = | 211 6 |
| x | = | 211 6 | ÷ | 11 600 |
| = | 211 6 | × | 600 11 |
| = | 211 | × | 100 11 |
| x | = | 21100 11 |
| x | = | 1918.181818 |