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twice the 差集 of a number and 3 is at most-23

解答

twice the difference of a number and 3 is at most -23

解答

x \leq - \frac{17}{2}

求解步骤

Represent the number with

x

A.T.Q.:

2 (x - 3) \leq - 23

求解

x, 2 (x - 3) \leq - 23 : x \leq - \frac{17}{2}

x \leq - \frac{17}{2}

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