x-3(x-2)≥14 (3x-1)/3>x-5/2
问题描述:
x-3(x-2)≥14 (3x-1)/3>x-5/2
答
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