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受欢迎的 Word Problems >

The sum of a number times 8 and 21 is at least-27

解答

T h e s u m o f a n u mb er t im es 8 an d 21 i s a t l e a s t - 27

解答

x \geq - 6

求解步骤

Represent the number with

x

A.T.Q.:

x \cdot 8 + 21 \geq - 27

求解

x, x \cdot 8 + 21 \geq - 27 : x \geq - 6

x \geq - 6

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