| - | 27969 10000 | + | ( | 65663 100 | × | 11 5000 | ) | ÷ | ( | 11 5000 | + | x | ) | = | 10517 10000 | − | 2891 2500 | x |
| 方程两边同时乘以: | ( | 11 5000 | + | x | ) |
| - | 27969 10000 | ( | 11 5000 | + | x | ) | + | ( | 65663 100 | × | 11 5000 | ) | = | 10517 10000 | ( | 11 5000 | + | x | ) | − | 2891 2500 | x | ( | 11 5000 | + | x | ) |
| - | 27969 10000 | × | 11 5000 | − | 27969 10000 | x | + | ( | 65663 100 | × | 11 5000 | ) | = | 10517 10000 | ( | 11 5000 | + | x | ) | − | 2891 2500 | x | ( | 11 5000 | + | x | ) |
| - | 27969 10000 | × | 11 5000 | − | 27969 10000 | x | + | ( | 65663 100 | × | 11 5000 | ) | = | 10517 10000 | × | 11 5000 | + | 10517 10000 | x | − | 2891 2500 | x | ( | 11 5000 | + | x | ) |
| - | 307659 50000000 | − | 27969 10000 | x | + | ( | 65663 100 | × | 11 5000 | ) | = | 115687 50000000 | + | 10517 10000 | x | − | 2891 2500 | x | ( | 11 5000 | + | x | ) |
| - | 307659 50000000 | − | 27969 10000 | x | + | 65663 100 | × | 11 5000 | = | 115687 50000000 | + | 10517 10000 | x | − | 2891 2500 | x | ( | 11 5000 | + | x | ) |
| - | 307659 50000000 | − | 27969 10000 | x | + | 65663 100 | × | 11 5000 | = | 115687 50000000 | + | 10517 10000 | x | − | 2891 2500 | x | × | 11 5000 | − | 2891 2500 | x | x |
| - | 307659 50000000 | − | 27969 10000 | x | + | 722293 500000 | = | 115687 50000000 | + | 10517 10000 | x | − | 31801 12500000 | x | − | 2891 2500 | x | x |