| ( | x | − | 300 | ) | × | 4 5 | ÷ | 22 | × | 17 | + | ( | x | − | 300 | ) | × | 1 | ÷ | 22 | × | 5 | = | 3778 |
| 方程左边 = | ( | x | − | 300 | ) | × | 34 55 | + | ( | x | − | 300 | ) | × | 5 22 |
| ( | x | − | 300 | ) | × | 34 55 | + | ( | x | − | 300 | ) | × | 5 22 | = | 3778 |
| 方程左边 = | x | × | 34 55 | − | 300 | × | 34 55 | + | ( | x | − | 300 | ) | × | 5 22 |
| = | x | × | 34 55 | − | 2040 11 | + | ( | x | − | 300 | ) | × | 5 22 |
| = | 34 55 | x | − | 2040 11 | + | x | × | 5 22 | − | 300 | × | 5 22 |
| = | 34 55 | x | − | 2040 11 | + | x | × | 5 22 | − | 750 11 |
| = | 93 110 | x | − | 2790 11 |
93 110 | x | − | 2790 11 | = | 3778 |
93 110 | x | = | 3778 | + | 2790 11 |
93 110 | x | = | 44348 11 |
| x | = | 44348 11 | ÷ | 93 110 |
| = | 44348 11 | × | 110 93 |
| = | 44348 | × | 10 93 |
| x | = | 443480 93 |
| x | = | 4768.602151 |