x-(3x-8)/2<=[2(10-x)]/7-1

x-(3x-8)/2<=[2(10-x)]/7-1

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x-(3x-8)/2<掘雀御=[2(10-x)]/判岩7-1
14x-7(3x-8)≤岁团4(10-x)-14
-7x+56≤26-4x
3x≥30
x≥10

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X>=10

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