| ( | 2223 8 | − | 117 2 | x | ) | ÷ | 287 2 | + | 103 | x | ÷ | 188 | = | 11 5 |
| 方程左边 = | ( | 2223 8 | − | 117 2 | x | ) | × | 2 287 | + | 103 188 | x |
| ( | 2223 8 | − | 117 2 | x | ) | × | 2 287 | + | 103 188 | x | = | 11 5 |
| 方程左边 = | 2223 8 | × | 2 287 | − | 117 2 | x | × | 2 287 | + | 103 188 | x |
| = | 2223 1148 | − | 117 287 | x | + | 103 188 | x |
| = | 2223 1148 | + | 7565 53956 | x |
2223 1148 | + | 7565 53956 | x | = | 11 5 |
7565 53956 | x | = | 11 5 | − | 2223 1148 |
7565 53956 | x | = | 1513 5740 |
| x | = | 1513 5740 | ÷ | 7565 53956 |
| = | 1513 5740 | × | 53956 7565 |
| = | 1 205 | × | 1927 5 |
| x | = | 1927 1025 |
| x | = | 1.88 |