四分之x-3-二分之x-6<等於2x?
回答 (1)
(x - 3) / 4 - (x - 6) / 2 <= 2x
4 * Eq. : (x-3) - 2(x-6) <= 8x
0 >= x - 3 - 2x + 12 - 8x
>= -9x + 9
>= -x + 1
Answer: x >= 1
收錄日期: 2021-04-18 14:05:28
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