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> (1)2-xx-3+13-x=1(2)11-x2=-3x-1-51+x.-数学
(1)2-xx-3+13-x=1(2)11-x2=-3x-1-51+x.-数学
题目简介
(1)2-xx-3+13-x=1(2)11-x2=-3x-1-51+x.-数学
题目详情
(1)
2-x
x-3
+
1
3-x
=1
(2)
1
1-
x
2
=
-3
x-1
-
5
1+x
.
题型:解答题
难度:中档
来源:不详
答案
(1)去分母得:2-x-1=x-3,
解得:x=2,
经检验x=2是分式方程的解;
(2)去分母得:-1=-3(x+1)-5(x-1),
去括号得:-1=-3x-3-5x+5,
移项合并得:8x=3,
解得:x=
class="stub"3
8
,
经检验x=
class="stub"3
8
是分式方程的解.
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(2011广西南宁,20,6分)解分式方程:=
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题目简介
(1)2-xx-3+13-x=1(2)11-x2=-3x-1-51+x.-数学
题目详情
(2)
答案
解得:x=2,
经检验x=2是分式方程的解;
(2)去分母得:-1=-3(x+1)-5(x-1),
去括号得:-1=-3x-3-5x+5,
移项合并得:8x=3,
解得:x=
经检验x=