en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

One number is 9 more than another number. Twice the sum of the two numbers is 10. Let x and y be the 2 numbers

Solution

O n e n u mb er i s 9 m ore t han an o t h er n u mb er . Tw i ce t h e s u m o f t h e tw o n u mb ers i s 10. L e t x an d y b e t h e 2 n u mb ers

Solution

The numbers : 7, - 2

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 9 + y

2 (x + y) = 10

x = 9 + y, 2 (x + y) = 10 : x = 7, y = - 2

The numbers : 7, - 2

Popular Examples

Twice the difference of a number and 5 is 2 equation Find two consecutive whole numbers that sqrt(58) lies between.Braden opened a savings account and deposited 4,000.00 as principal. The account earns 7% interest, compounded monthly. What is the balance after 7 years?a number squared increased by 3 Miguel opened a savings account and deposited 2,669.00. The account earns 13.03% interest, compounded annually. If he wants to use the money to buy a new bicycle in 3 years, how much will he be able to spend on the bike?