123 250 | ÷ | ( | ( | 50 | + | 34 5 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) | = | 127 250 | ÷ | ( | ( | 40 | + | 17 2 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) |
方程两边同时乘以: | ( | ( | 50 | + | 34 5 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) | , | ( | ( | 40 | + | 17 2 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) |
123 250 | ( | ( | 40 | + | 17 2 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) | = | 127 250 | ( | ( | 50 | + | 34 5 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) |
123 250 | ( | 40 | + | 17 2 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | = | 127 250 | ( | ( | 50 | + | 34 5 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | ) |
123 250 | ( | 40 | + | 17 2 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) | = | 127 250 | ( | 50 | + | 34 5 | x | ) | ÷ | ( | 90 | + | 153 10 | x | ) |
方程两边同时乘以: | ( | 90 | + | 153 10 | x | ) |
123 250 | ( | 40 | + | 17 2 | x | ) | = | 127 250 | ( | 50 | + | 34 5 | x | ) |
123 250 | × | 40 | + | 123 250 | × | 17 2 | x | = | 127 250 | ( | 50 | + | 34 5 | x | ) |
123 250 | × | 40 | + | 123 250 | × | 17 2 | x | = | 127 250 | × | 50 | + | 127 250 | × | 34 5 | x |
492 25 | + | 2091 500 | x | = | 127 5 | + | 2159 625 | x |
2091 500 | x | − | 2159 625 | x | = | 127 5 | − | 492 25 |
1819 2500 | x | = | 127 5 | − | 492 25 |
1819 2500 | x | = | 143 25 |
x | = | 143 25 | ÷ | 1819 2500 |
= | 143 25 | × | 2500 1819 |
= | 143 | × | 100 1819 |
x | = | 14300 1819 |
x | = | 7.861462 |