解列不等式,并把解集在数轴上表示出来.
(1)
x−+1≥
(2)
−≥1-
.
人气:202 ℃ 时间:2020-01-28 02:29:39
解答
(1)去分母得:14x-7(3x-8)+14≥4(10-x),去括号,得:14x-21x+56+14≥40-4x,移项合并同类项,得:-3x≥-30,系数化1,得:x≤10;(2)去分母,得:6x-4(5x-7)≥12-3(3x-5),去括号,得:6x-20x+28≥12-9...
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