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Phổ biến Word Problems >

The hiệu of two integers is 9. Five times the smaller is 7 more than three times the larger. Find the numbers

Lời Giải

T h e d i ff ere n ce o f tw o in t e g ers i s 9. F i v e t im es t h e s ma ll er i s 7 m ore t han t h ree t im es t h e l a r g er . F in d t h e n u mb ers

Lời Giải

The numbers : - 10, - 19

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x - y = 9

5 x = 7 + 3 y

x - y = 9, 5 x = 7 + 3 y : x = - 10, y = - 19

The numbers : - 10, - 19

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