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Phổ biến Word Problems >

Twice the sum of a number and four is twenty less than four times the number. Find the number

Lời Giải

Tw i ce t h e s u m o f a n u mb er an d f o u r i s tw e n t y l ess t han f o u r t im es t h e n u mb er . F in d t h e n u mb er

Lời Giải

The number : 14

Các bước giải pháp

Represent the number with

x

A.T.Q.:

2 (x + 4) = 4 x - 20

Giải

x, 2 (x + 4) = 4 x - 20 : x = 14

The number : 14

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