解不等式组:{8x-5≥3(4x-1),2x-(x-2)/4<3.
问题描述:
解不等式组:{8x-5≥3(4x-1),2x-(x-2)/4<3.
答
{8x-5>=12x-3
2x-x/4-1/2{8x-12x>=-3+5
8x-x-2{-4x>=2
7x{x>=-1/2
x所以原不等式组的解集是-1/2
答
①
8x-5>=3(4x-1)
8x-5>=12x-3
4x+2