4(x-1)>x+2 2x-1/2>或=5x+2/3(2)5x+12>3(x+2)8x-54(3x-2) x-1/4
问题描述:
4(x-1)>x+2 2x-1/2>或=5x+2/3(2)5x+12>3(x+2)8x-54(3x-2) x-1/4
答
(1) 4x-4>x+2 -3x>或=7/6 (2) 2x>-6 5x12x-8 7/5x6 x