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Phổ biến Word Problems >

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

Lời Giải

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.

Lời Giải

x \geq 12

Các bước giải pháp

Represent the number with

x

A.T.Q.:

2 (x - 3) \geq 18

Giải

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

x \geq 12

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