( | ( | 9 2 | + | x | ) | ÷ | 53 50 | − | 179 250 | ) | ÷ | 13 20 | × | 7 20 | − | 179 250 | = | x |
方程左边 = | ( | ( | 9 2 | + | x | ) | ÷ | 53 50 | − | 179 250 | ) | × | 7 13 | − | 179 250 |
( | ( | 9 2 | + | x | ) | ÷ | 53 50 | − | 179 250 | ) | × | 7 13 | − | 179 250 | = | x |
方程左边 = | ( | 9 2 | + | x | ) | ÷ | 53 50 | × | 7 13 | − | 179 250 | × | 7 13 | − | 179 250 |
= | ( | 9 2 | + | x | ) | × | 350 689 | − | 1253 3250 | − | 179 250 |
= | ( | 9 2 | + | x | ) | × | 350 689 | − | 358 325 |
= | 9 2 | × | 350 689 | + | x | × | 350 689 | − | 358 325 |
= | 1575 689 | + | x | × | 350 689 | − | 358 325 |
= | 20401 17225 | + | 350 689 | x |
20401 17225 | + | 350 689 | x | = | x |
350 689 | x | − | x | = | - | 20401 17225 |
- | 339 689 | x | = | - | 20401 17225 |
20401 17225 | = | 339 689 | x |
339 689 | x | = | 20401 17225 |
x | = | 20401 17225 | ÷ | 339 689 |
= | 20401 17225 | × | 689 339 |
= | 20401 25 | × | 1 339 |
x | = | 20401 8475 |
x | = | 2.407198 |