100 | + | x | = | ( | 170 | + | x | ) | × | 309 500 |
方程右边 = | 170 | × | 309 500 | + | x | × | 309 500 |
= | 5253 50 | + | x | × | 309 500 |
100 | + | x | = | 5253 50 | + | 309 500 | x |
x | − | 309 500 | x | = | 5253 50 | − | 100 |
191 500 | x | = | 5253 50 | − | 100 |
191 500 | x | = | 253 50 |
x | = | 253 50 | ÷ | 191 500 |
= | 253 50 | × | 500 191 |
= | 253 | × | 10 191 |
x | = | 2530 191 |
x | = | 13.246073 |