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受欢迎的 Word Problems >

seven increased by the product of a number and 3 is at least-30

解答

se v e n in cre a se d b y t h e p ro d u c t o f a n u mb er an d 3 i s a t l e a s t - 30

解答

x \geq - \frac{37}{3}

求解步骤

Represent the number with

x

A.T.Q.:

7 + x \cdot 3 \geq - 30

求解

x, 7 + x \cdot 3 \geq - 30 : x \geq - \frac{37}{3}

x \geq - \frac{37}{3}

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