解不等式 2-3(x+1)/8≥3-x-1/4w3-(x-1)/42.解不等式组 x+3≥2-x ①3(x-1)+1
问题描述:
解不等式 2-3(x+1)/8≥3-x-1/4
w
3-(x-1)/4
2.解不等式组 x+3≥2-x ①3(x-1)+1
答
两边乘以8得
16-3x-3>=24-2x+2
-x>=13
x=-1
x>=-1/2
3(x-1)+1