解不等式组 x-1/2小于等于1① x-2

解不等式组 x-1/2小于等于1① x-2
解不等式组 x-1/2小于等于1① x-2

解不等式组 x-1/2小于等于1① x-2
① 式变形可得 X-2
那么答案就是-2

x-1/2<1,解得：x≤3/2
x-2<4(x+1)
x-2<4x+4
4x-x>-2-4
3x>-6
x>-2
综合可得：-2

x-1/2小于等于1
x≤1+½
x≤3/2
x-2<4(x+1)②
x-2＜4x+4
x-4x＜4+2
-3x＜6
x＞-2
∴-2＜x≤3/2

1.x<=3/2
2.x>-2