人气:330 ℃ 时间:2019-09-27 15:42:30
解答
原方程变形为:
-
=
-
,
去分母,得
(x+2)(x+3)=(x+8)(x+9),
整理,得
12x+66=0,
解得 x=-5.5,
经检验,x=-5.5是原方程的解.
故答案为:-5.5.
推荐
猜你喜欢
- 有don't do sth instead of doing的用法吗,怎么翻译?
- A successful team beats with one heart是什么意思
- he often___(relax) half a day
- 用作图法求直线斜率时,必须采用什么方法?
- Edward Smith is _____old.He works in a bank.
- 连词成句 threw,Li,Ming,the,ball,another,boy,to
- Lily doesn't want to buy__same present__Lucy did填空
- 麻烦您了,您帮我看看这道题呗 we see things by our eyes对么?为什么