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人気のある Word Problems >

The sum of a number times 7 and 21 is at most-19

解

T h e s u m o f a n u mb er t im es 7 an d 21 i s a t m os t - 19

解

x \leq - \frac{40}{7}

解答ステップ

Represent the number with

x

A.T.Q.:

x \cdot 7 + 21 \leq - 19

x

を解く

x \cdot 7 + 21 \leq - 19 : x \leq - \frac{40}{7}

x \leq - \frac{40}{7}

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