>
数学
>
解分式方程:
2
x+5
=
1
2x−1
.
人气:408 ℃ 时间:2019-12-25 09:20:58
解答
方程两边同乘以最简公分母(x+5)(2x-1)得:
2(2x-1)=x+5,
解得:x=
7
3
,
检验:把x=
7
3
代入(x+5)(2x-1)得:
(
7
3
+5)(2•
7
3
−1)
=
242
9
≠ 0
,
∴原方程的x=
7
3
.
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