( | 51 50 | + | x | ) | ÷ | ( | 79 50 | + | x | ) | = | 309 500 |
方程两边同时乘以: | ( | 79 50 | + | x | ) |
( | 51 50 | + | x | ) | = | 309 500 | ( | 79 50 | + | x | ) |
51 50 | + | x | = | 309 500 | ( | 79 50 | + | x | ) |
51 50 | + | x | = | 309 500 | × | 79 50 | + | 309 500 | x |
51 50 | + | x | = | 24411 25000 | + | 309 500 | x |
x | − | 309 500 | x | = | 24411 25000 | − | 51 50 |
191 500 | x | = | 24411 25000 | − | 51 50 |
191 500 | x | = | - | 1089 25000 |
x | = | - | 1089 25000 | ÷ | 191 500 |
= | - | 1089 25000 | × | 500 191 |
= | - | 1089 50 | × | 1 191 |
x | = | - | 1089 9550 |
x | = | - 0.114031 |