vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

The sum of two numbers is 15. Three times one of the numbers is 11 less than 5 times the other. Find the numbers.

Lời Giải

T h e s u m o f tw o n u mb ers i s 15. T h ree t im es o n e o f t h e n u mb ers i s 11 l ess t han 5 t im es t h e o t h er . F in d t h e n u mb ers .

Lời Giải

The numbers : 8, 7

Các bước giải pháp

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 15

3 x = 5 y - 11

x + y = 15, 3 x = 5 y - 11 : x = 8, y = 7

The numbers : 8, 7

Ví dụ phổ biến

The sum of a number times 8 and 21 is less than or equal to 29.A man is 26 years older than his son. After 10 years he will be 3 times as old as his son. Find their present ages.Find three consecutive integers whose sum is 498 2.) Translate the following verbal phrase into an algebraic equation: Twelve times a number decreased by 9 is equal to ten times that same number increased by 3 The sum of two numbers is-42 and their hiệu is 52. Find these two numbers?