( | 209 10 | + | ( | x | − | 500 | ) | ÷ | ( | 1000 | − | 500 | ) | × | ( | 194 5 | − | 209 10 | ) | ) | × | 1 | × | 1 | × | 3 2 | = | 870 | − | x |
209 10 | × | 1 | × | 1 | × | 3 2 | + | ( | x | − | 500 | ) | ÷ | ( | 1000 | − | 500 | ) | × | ( | 194 5 | − | 209 10 | ) | × | 1 | × | 1 | × | 3 2 | = | 870 | − | x |
627 20 | + | ( | x | − | 500 | ) | ÷ | ( | 1000 | − | 500 | ) | × | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 870 | − | x |
方程两边同时乘以: | ( | 1000 | − | 500 | ) |
627 20 | ( | 1000 | − | 500 | ) | + | ( | x | − | 500 | ) | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 870 | ( | 1000 | − | 500 | ) | − | x | ( | 1000 | − | 500 | ) |
627 20 | × | 1000 | − | 627 20 | × | 500 | + | ( | x | − | 500 | ) | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 870 | ( | 1000 | − | 500 | ) | − | x | ( | 1000 | − | 500 | ) |
627 20 | × | 1000 | − | 627 20 | × | 500 | + | ( | x | − | 500 | ) | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 870 | × | 1000 | − | 870 | × | 500 | − | x | ( | 1000 | − | 500 | ) |
31350 | − | 15675 | + | ( | x | − | 500 | ) | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 870000 | − | 435000 | − | x | ( | 1000 | − | 500 | ) |
15675 | + | ( | x | − | 500 | ) | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 435000 | − | x | ( | 1000 | − | 500 | ) |
15675 | + | x | ( | 194 5 | − | 209 10 | ) | × | 3 2 | − | 500 | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 435000 | − | x | ( | 1000 | − | 500 | ) |
15675 | + | x | ( | 194 5 | − | 209 10 | ) | × | 3 2 | − | 500 | ( | 194 5 | − | 209 10 | ) | × | 3 2 | = | 435000 | − | x | × | 1000 | + | x | × | 500 |
15675 | + | x | ( | 194 5 | − | 209 10 | ) | × | 3 2 | − | 750 | ( | 194 5 | − | 209 10 | ) | = | 435000 | − | x | × | 1000 | + | x | × | 500 |
15675 | + | x | ( | 194 5 | − | 209 10 | ) | × | 3 2 | − | 750 | ( | 194 5 | − | 209 10 | ) | = | 435000 | − | 500 | x |
15675 | + | x | × | 194 5 | × | 3 2 | − | x | × | 209 10 | × | 3 2 | − | 750 | ( | 194 5 | − | 209 10 | ) | = | 435000 | − | 500 | x |
15675 | + | x | × | 291 5 | − | x | × | 627 20 | − | 750 | ( | 194 5 | − | 209 10 | ) | = | 435000 | − | 500 | x |
15675 | + | 537 20 | x | − | 750 | ( | 194 5 | − | 209 10 | ) | = | 435000 | − | 500 | x |
15675 | + | 537 20 | x | − | 750 | × | 194 5 | + | 750 | × | 209 10 | = | 435000 | − | 500 | x |
15675 | + | 537 20 | x | − | 29100 | + | 15675 | = | 435000 | − | 500 | x |
2250 | + | 537 20 | x | = | 435000 | − | 500 | x |
537 20 | x | + | 500 | x | = | 435000 | − | 2250 |
10537 20 | x | = | 435000 | − | 2250 |
10537 20 | x | = | 432750 |
x | = | 432750 | ÷ | 10537 20 |
= | 432750 | × | 20 10537 |
x | = | 8655000 10537 |
x | = | 821.391288 |