| ( | 41789 1000 | + | x | ) | × | 5 4 | = | 8781 125 | + | 41789 1000 | − | x |
| 方程左边 = | 41789 1000 | × | 5 4 | + | x | × | 5 4 |
| = | 41789 800 | + | x | × | 5 4 |
41789 800 | + | 5 4 | x | = | 8781 125 | + | 41789 1000 | − | x |
| 方程右边 = | 112037 1000 | − | x |
41789 800 | + | 5 4 | x | = | 112037 1000 | − | x |
5 4 | x | + | x | = | 112037 1000 | − | 41789 800 |
9 4 | x | = | 112037 1000 | − | 41789 800 |
9 4 | x | = | 239203 4000 |
| x | = | 239203 4000 | ÷ | 9 4 |
| = | 239203 4000 | × | 4 9 |
| = | 239203 1000 | × | 1 9 |
| x | = | 239203 9000 |
| x | = | 26.578111 |