能使不等式0.5(8x-1)-(5x+2)≥0.25
问题描述:
能使不等式0.5(8x-1)-(5x+2)≥0.25
答
0.5(8x-1)-(5x+2)≥0.25
4x-0.5-5x-2≥0.25
-x≥0.25 +2.5
x≤-2.75