(1-2x)/5-1你能给我不等式与不等式组的解法吗？(1-2x)/5-1<=(x+2)/2-(4-5x)/10 2(1-2x)-10<=5(x+2)-(4-5x) 2-4x-10<=x+10-4+5x -4x-8<=10x+6 10x+4x>=-8-6 14x>=-14 x>=-1