问题
解答题
x取哪些整数值时,不等式5x+2>3(x-1)与
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答案
根据题意解不等式组
得5x+2>3(x-1)
x-1<5-1 2
x3 2
-
<x<3.5 2
故x取整数-2,-1,0,1,2,时,不等式5x+2>3(x-1)与
x-1<5-1 2
x都成立.3 2
x取哪些整数值时,不等式5x+2>3(x-1)与
|
根据题意解不等式组
得5x+2>3(x-1)
x-1<5-1 2
x3 2
-
<x<3.5 2
故x取整数-2,-1,0,1,2,时,不等式5x+2>3(x-1)与
x-1<5-1 2
x都成立.3 2