( | x | + | 700 | ) | ÷ | 87 4 | × | 5 | − | 4494 | × | 21 200 | = | 48804 25 |
方程左边 = | ( | x | + | 700 | ) | × | 20 87 | − | 47187 100 |
( | x | + | 700 | ) | × | 20 87 | − | 47187 100 | = | 48804 25 |
方程左边 = | x | × | 20 87 | + | 700 | × | 20 87 | − | 47187 100 |
= | x | × | 20 87 | + | 14000 87 | − | 47187 100 |
= | 20 87 | x | − | 2705269 8700 |
20 87 | x | − | 2705269 8700 | = | 48804 25 |
20 87 | x | = | 48804 25 | + | 2705269 8700 |
20 87 | x | = | 19689061 8700 |
x | = | 19689061 8700 | ÷ | 20 87 |
= | 19689061 8700 | × | 87 20 |
= | 19689061 100 | × | 1 20 |
x | = | 19689061 2000 |
x | = | 9844.5305 |