x-3(x-2)≥14 (3x-1)/3>x-5/2

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 02:58:57

x-3(x-2)≥14 (3x-1)/3>x-5/2
x-3(x-2)≥14 (3x-1)/3>x-5/2

x-3(x-2)≥14 (3x-1)/3>x-5/2
x-3(x-2)≥14
x-3x+6≥14
2x≤-8
x≤-4
(3x-1)/3>x-5/2
两边乘6
6x-2>2x-15
4x>-13
x>-13/4
所以-13/4