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解不等式组:x+3≥2-x3(x-1)+1<2(x+1)解不等式组:x+3≥2-x3(x-1)+1<2(x+1)

题目详情
解不等式组:x+3≥2-x 3(x-1)+1<2(x+1)
解不等式组:x+3≥2-x
3(x-1)+1<2(x+1)
▼优质解答
答案和解析
先编号:x+3≥2-x ①
3(x-1)+1<2(x+1)②
①x+3≥2-x
2x≥-1 得x≥-1/2
②3(x-1)+1<2(x+1)
3x-3+1<2x+2
x<4
∴此不等式组解为-1/2≤x