( | x | − | 180 | ) | × | 120000 | − | 7200000 | = | 14800000 |
方程左边 = | x | × | 120000 | − | 180 | × | 120000 | − | 7200000 |
= | x | × | 120000 | − | 21600000 | − | 7200000 |
= | 120000 | x | − | 28800000 |
120000 | x | − | 28800000 | = | 14800000 |
120000 | x | = | 14800000 | + | 28800000 |
120000 | x | = | 43600000 |
x | = | 43600000 | ÷ | 120000 |
= | 43600000 | × | 1 120000 |
= | 1090 | × | 1 3 |
x | = | 1090 3 |
x | = | 363.333333 |