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

问题描述:

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
②5x-2<3(x+1)
1/2x-1大于等于7-3/2x
这是两个方程组哦

5x-2>3(x+1)
5x-2>3x+3
5x-3x>3+2
2x>5
x>2.5
1/2x-1