fr

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Populaire Word Problems >

The sum of two numbers is 9 , and the différence of the numbers is 1 . Write a system of equations to represent this situation. Then solve the system to find the numbers.

Solution

T h e s u m o f tw o n u mb ers i s 9, an d t h e d i ff ere n ce o f t h e n u mb ers i s 1 . W r i t e a sys t e m o f e q u a t i o n s t o re p rese n t t hi s s i t u a t i o n . T h e n so l v e t h e sys t e m t o f in d t h e n u mb ers .

Solution

The numbers : 5, 4

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 9

x - y = 1

x + y = 9, x - y = 1 : x = 5, y = 4

The numbers : 5, 4

Exemples populaires

Ezra and Brenda deposit 9,028.00 into a savings account which earns 10% interest compounded quarterly. They want to use the money in the account to go on a trip in 3 years. How much will they be able to spend?a circular plate has circonférence 27.6 inches what is the area of this plate 3% of what number is 18 nine less than the product of 3 and a number is equal to 8 given a standard 52 card deck you randomly choose pick two cards what is the probability both cards are clubs