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人気のある Word Problems >

The sum of twice a number and 14 less than the number is the same as the 差 between-30and the number. What is the number?

解

T h e s u m o f tw i ce a n u mb er an d 14 l ess t han t h e n u mb er i s t h e s am e a s t h e d i ff ere n ce b e tw ee n - 30 an d t h e n u mb er . Wha t i s t h e n u mb er ?

解

The number : - 4

解答ステップ

Represent the number with

x

A.T.Q.:

2 x + x - 14 = (- 30) - x

x

を解く

2 x + x - 14 = (- 30) - x : x = - 4

The number : - 4

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