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Phổ biến Word Problems >

If 15 is subtracted from two times a certain number, the result is five times the number. Find the number.

Lời Giải

I f 15 i s s u b t r a c t e d f ro m tw o t im es a cer t ain n u mb er, t h e res u lt i s f i v e t im es t h e n u mb er . F in d t h e n u mb er .

Lời Giải

The number : - 5

Các bước giải pháp

Represent the number with

x

A.T.Q.:

2 x - 15 = 5 x

Giải

x, 2 x - 15 = 5 x : x = - 5

The number : - 5

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