解下列不等式组:①3/2x-1-2/5x+1≤1 5x-1<3(x+1) ②2x-7<3(x-1) 3/4x+3≥1-3/2x,
①3/2x-1-2/5x+1≤1 5x-1<3(x+1) ②2x-7<3(x-1) 3/4x+3≥1-3/2x,现在分开了,
人气:437 ℃ 时间:2020-01-27 12:59:00
解答
(2x-1)/3-(5x+1)/2≤1 ①
5x-1<3(x+1) ②
由①得4x-2-15x-3≤6
-11x≤11
x≥-1
由②得5x-1
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