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Phổ biến Word Problems >

The product of some negative number and 3 less than twice that number is 527. Find the number.

Lời Giải

T h e p ro d u c t o f so m e n e g a t i v e n u mb er an d 3 l ess t han tw i ce t ha t n u mb er i s 527. F in d t h e n u mb er .

Lời Giải

The number : - 15 \frac{1}{2}

Các bước giải pháp

Represent the number with

x

A.T.Q.:

x (2 x - 3) = 527

Giải

x, x (2 x - 3) = 527 : x = 17, x = - \frac{31}{2}

Select negative solutions:

- \frac{31}{2}

Chuyển phân số không thực sự thành hỗn số:

\frac{31}{2} = 15 \frac{1}{2}

The number : - 15 \frac{1}{2}

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