>
数学
>
代数式8-
x
4
的值不小于代数式3x+5的值,则x的取值范围是______.
人气:172 ℃ 时间:2020-04-07 16:53:57
解答
∵8-
x
4
≥3x+5,
∴移项合并同类项得,
-
13
4
x≥-3,
系数化1得,
x≤
12
13
.
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