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受欢迎的 Word Problems >

Twice the 差集 of a number and 3 is at least 18.

解答

Tw i ce t h e d i ff ere n ce o f a n u mb er an d 3 i s a t l e a s t 18.

解答

x \geq 12

求解步骤

Represent the number with

x

A.T.Q.:

2 (x - 3) \geq 18

求解

x, 2 (x - 3) \geq 18 : x \geq 12

x \geq 12

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