(2x-1)/3-(10x+1)/6大于等于5/4x-5

(2x-1)/3-(10x+1)/6大于等于5/4x-5
(2x-1)/3-(10x+1)/6大于等于5/4x-5

(2x-1)/3-(10x+1)/6大于等于5/4x-5
(4x-2-10x-1)/6>=5/4x-5
-6x-3>=30/4x-30
27>=(30x+24x)/4
108>=54x
x<=2

不等式两边同乘以6*（4x-5)
得：16*x方-28x+10-40x方+46x+5-30≥0
化简得：（2x-1）*（4x+5）≤0
分两种情况：2x-1≤0 4 x+5≥0 x≥1/2 x≤-5/4 或2x-1≥0 4 x+5≤0 -5/4≤ x≤1/2