( | 800 | + | x | ) | − | 2500 | − | ( | 800 | + | x | − | 1216893 100 | ) | × | 1 4 | = | 252249 25 |
方程左边 = | 800 | + | x | − | 2500 | − | ( | 800 | + | x | − | 1216893 100 | ) | × | 1 4 |
= | - | 1700 | + | x | − | ( | 800 | + | x | − | 1216893 100 | ) | × | 1 4 |
= | - | 1700 | + | x | − | 800 | × | 1 4 | − | x | × | 1 4 | + | 1216893 100 | × | 1 4 |
= | - | 1700 | + | x | − | 200 | − | x | × | 1 4 | + | 1216893 400 |
= | 456893 400 | + | 3 4 | x |
456893 400 | + | 3 4 | x | = | 252249 25 |
3 4 | x | = | 252249 25 | − | 456893 400 |
3 4 | x | = | 3579091 400 |
x | = | 3579091 400 | ÷ | 3 4 |
= | 3579091 400 | × | 4 3 |
= | 3579091 100 | × | 1 3 |
x | = | 3579091 300 |
x | = | 11930.303333 |