| ( | 51171 25 | ÷ | ( | 200799 100 | ÷ | x | ) | + | 193029 100 | ÷ | ( | 98457 50 | ÷ | x | ) | ) | ÷ | 2 | = | x |
51171 25 | ÷ | ( | 200799 100 | ÷ | x | ) | ÷ | 2 | + | 193029 100 | ÷ | ( | 98457 50 | ÷ | x | ) | ÷ | 2 | = | x |
51171 50 | ÷ | ( | 200799 100 | ÷ | x | ) | + | 193029 200 | ÷ | ( | 98457 50 | ÷ | x | ) | = | x |
| 方程两边同时乘以: | ( | 200799 100 | ÷ | x | ) |
51171 50 | + | 193029 200 | ÷ | ( | 98457 50 | ÷ | 1 | ) | × | ( | 200799 100 | ÷ | 1 | ) | = | 1 | ( | 200799 100 | ÷ | 1 | ) |
51171 50 | + | 193029 200 | ÷ | ( | 98457 50 | ÷ | 1 | ) | × | 200799 100 | ÷ | 1 | = | 1 | ( | 200799 100 | ÷ | 1 | ) |
51171 50 | + | 193029 200 | ÷ | ( | 98457 50 | ÷ | 1 | ) | × | 200799 100 | ÷ | 1 | = | 1 | × | 200799 100 | ÷ | 1 |