Question

求不等式组｛ 3(x-1)+2＜5x+3 (x-1)/2 +x≥3x-4

Answer 1

不等式组3(x-1)+2＜5x+3 (1)

(x-1)/2 +x≥3x-4 (2)

解不等式 (1)得x>-1

解不等式(2)得7/3≥x

所以不等式组的解集为{x|7/3≥x-1}.