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人気のある Word Problems >

the sum of a number times 5 and 28 is at least-15

解

t h e s u m o f a n u mb er t im es 5 an d 28 i s a t l e a s t - 15

解

x \geq - \frac{43}{5}

解答ステップ

Represent the number with

x

A.T.Q.:

x \cdot 5 + 28 \geq - 15

x

を解く

x \cdot 5 + 28 \geq - 15 : x \geq - \frac{43}{5}

x \geq - \frac{43}{5}

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