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受欢迎的 Word Problems >

the sum of a number time 7 and 26 is at least-19

解答

t h e s u m o f a n u mb er t im e 7 an d 26 i s a t l e a s t - 19

解答

x \geq - \frac{45}{7}

求解步骤

Represent the number with

x

A.T.Q.:

x \cdot 7 + 26 \geq - 19

求解

x, x \cdot 7 + 26 \geq - 19 : x \geq - \frac{45}{7}

x \geq - \frac{45}{7}

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