2x-(2分之1)>1-(4分之1-3x)
8x-2>4-(1-3x)
8x-2>4-1+3x
5x>5
x>1
----------------------------
|
-------------.------.-------------
0 1(空心)
2x-(2分之1)>1-(4分之1-3x)
8x-2>4-(1-3x)
8x-2>4-1+3x
5x>5
x>1
----------------------------
|
-------------.------.-------------
0 1(空心)