1643319 50000 | ( | x | − | 20 | ) | = | ( | 170 | − | x | ) | × | 9191 2500 |
| 方程左边 = | 1643319 50000 | x | − | 1643319 50000 | × | 20 |
| = | 1643319 50000 | x | − | 1643319 2500 |
1643319 50000 | x | − | 1643319 2500 | = | ( | 170 | − | x | ) | × | 9191 2500 |
| 方程右边 = | 170 | × | 9191 2500 | − | x | × | 9191 2500 |
| = | 156247 250 | − | x | × | 9191 2500 |
1643319 50000 | x | − | 1643319 2500 | = | 156247 250 | − | 9191 2500 | x |
1643319 50000 | x | + | 9191 2500 | x | = | 156247 250 | + | 1643319 2500 |
1827139 50000 | x | = | 156247 250 | + | 1643319 2500 |
1827139 50000 | x | = | 3205789 2500 |
| x | = | 3205789 2500 | ÷ | 1827139 50000 |
| = | 3205789 2500 | × | 50000 1827139 |
| = | 3205789 | × | 20 1827139 |
| x | = | 64115780 1827139 |
| x | = | 35.090806 |