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人気のある Word Problems >

twice the 差 of a number and seven is equal to five times the number plus one. find the number.

解

tw i ce t h e d i ff ere n ce o f a n u mb er an d se v e n i s e q u a l t o f i v e t im es t h e n u mb er pl u s o n e . f in d t h e n u mb er .

解

The number : - 5

解答ステップ

Represent the number with

x

A.T.Q.:

2 (x - 7) = 5 x + 1

x

を解く

2 (x - 7) = 5 x + 1 : x = - 5

The number : - 5

人気の例

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