解不等式组①3(x-)-1≤x,2(4.5-x)≤3-x和②5x-2＜3（x+1）,1/2x-1大于等于7-3/2x

解不等式组①3(x-)-1≤x,2(4.5-x)≤3-x和②5x-2＜3（x+1）,1/2x-1大于等于7-3/2x解不等式组①3(x-)-1≤x2(4.5-x)≤3-x②5x-2＜3（x+1）1/2x-1大于等于7-3/2x这是两个方程组哦