13 2 | × | 1000000 | × | 700 | × | 50 | + | ( | x | − | 35 | ) | × | 200 | ÷ | x | × | 206000 | × | 11309 10 | + | ( | x | − | 115 | ) | × | 200 | ÷ | x | = | ( | 162 | − | x | ) | × | 206000 | × | 200 | ÷ | x | × | ( | 162 | − | x | ) | × | 180 | + | ( | 523 | − | x | ) | × | 206000 | × | 200 | ÷ | x | × | 22 | × | 180 |
方程两边同时乘以: | x |
13 2 | × | 1000000 | × | 700 | × | 50 | x | + | ( | x | − | 35 | ) | × | 200 | × | 206000 | × | 11309 10 | + | ( | x | − | 115 | ) | × | 200 | ÷ | 1 | = | ( | 162 | − | x | ) | × | 206000 | × | 200 | ÷ | 1 | × | ( | 162 | − | x | ) | × | 180 | × | 1 | + | ( | 523 | − | x | ) | × | 206000 | × | 200 | ÷ | 1 | × | 22 |
13 2 | × | 1000000 | × | 700 | × | 50 | x | + | x | × | 200 | × | 206000 | × | 11309 10 | − | 35 | × | 200 | × | 206000 | = | ( | 162 | − | x | ) | × | 206000 | × | 200 | ÷ | 1 | × | ( | 162 | − | x | ) | × | 180 | × | 1 | + | ( | 523 | − | x | ) | × | 206000 | × | 200 | ÷ | 1 | × | 22 |
13 2 | × | 1000000 | × | 700 | × | 50 | x | + | x | × | 200 | × | 206000 | × | 11309 10 | − | 35 | × | 200 | × | 206000 | = | 162 | × | 206000 | × | 200 | ÷ | 1 | × | ( | 162 | − | x | ) | × | 180 | × | 1 | − | x | × | 206000 | × | 200 | ÷ | 1 | × | ( | 162 | − | x | ) |