3-4分之X-1大于等于2+8分之3(X+1)
问题描述:
3-4分之X-1大于等于2+8分之3(X+1)
答
3-(x-1)/4≥2+3(x+1)/8
两边同乘以8,得
24-2(x-1)≥16+3(x+1)
24-2x+2≥16+3x+3
22-2x≥3x+19
-2x-3x≥19-22
-5x≥-3
5x≤3
x≤3/5