(1)x+3>-1 (2)6x

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(1)x+3>-1 (2)6x
(1)x+3>-1 (2)6x

(1)x+3>-1 (2)6x
(1)x+3>-1
x+3>-1  =>  x+3-3>-1-3  =>  x>-4
(2)6x<5x-7
6x<5x-7  =>  6x-5x<5X-7-5x  =>  x<-7
(3)负三分之一x<三分之二
-(x/3)<2/3  =>  -(x/3)*(-3)>(2/3)*(-3)  =>  x>-2
(4)4x>-12
4x>-12  =>  4x*(1/4)>-12*(1/4)  =>  x>-3

答案见图片，

谢谢采纳

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1,5x-2>3x-6,移项得：5x-3x>-6+2 2x>-4, x>-2 2,1/3*x+1>x+3,移项得：1/3*x-x>3-1 -2/3*x>2 x<-3 3,7(4-x)-2(4-3x)<4x 28-7x-8+6x<4x -7x+6x-4x<-28+8 -5x<-20 x>4 4,3-(x-1)/4>=2+3(x+1)/8 3-x/4+1/4>=2+3x/8+1/8 -x/4-3x/8>=2+1/8-3-1/4 -5x/8>=-9/8 x<=9/5
很不错哦，你可以试下
eⅨd哗z∑jd哗k蓿螭▃∑k蓿螭▃∑t趣ǔpl10187770502011-9-13 3:44:52

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