| 1 |
| x+4 |
| 1 |
| x+5 |
| 1 |
| x+2 |
| 1 |
| x+3 |
化简可得
| 1 |
| x+4 |
| 1 |
| x+5 |
| 1 |
| x+2 |
| 1 |
| x+3 |
| 1 |
| (x+4)(x+5) |
| 1 |
| (x+2)(x+3) |
方程的两边同乘(x+2)(x+3)(x+4)(x+5),得
(x+2)(x+3)=(x+4)(x+5),
解得x=-
| 7 |
| 2 |
检验:把x=-
| 7 |
| 2 |
| 9 |
| 16 |
∴原方程的解为:x=-
| 7 |
| 2 |
| x+3 |
| x+4 |
| x+4 |
| x+5 |
| x+1 |
| x+2 |
| x+2 |
| x+3 |
| 1 |
| x+4 |
| 1 |
| x+5 |
| 1 |
| x+2 |
| 1 |
| x+3 |
| 1 |
| x+4 |
| 1 |
| x+5 |
| 1 |
| x+2 |
| 1 |
| x+3 |
| 1 |
| (x+4)(x+5) |
| 1 |
| (x+2)(x+3) |
| 7 |
| 2 |
| 7 |
| 2 |
| 9 |
| 16 |
| 7 |
| 2 |