解不等式组2x+1>3(x-1),2分之1+x-3分之x-1≤1

2024-12-02 07:46:24
推荐回答(4个)
回答1:

2X+1>3X-3 X<4
x-1/x-3≤1/2
移项通分 2(x-1)/2(x-3)-(X-3)/2(x-3)≤0
(x+1)/2(x-3)≤0
2(x+1)(x-3)≤0
(x+1)(x-3)≤0
-1≤x≤3
综上-1≤x≤3

回答2:

x<=9/4

回答3:

x大于等于-1小于3

回答4:

X<4