en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

The sum of two numbers is 15 and their difference is 1. linear equation

Solution

The sum of two numbers is 15 and their difference is 1. linear equation

Solution

The numbers : 8, 7

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 15

x - y = 1

x + y = 15, x - y = 1 : x = 8, y = 7

The numbers : 8, 7

Popular Examples

Find the future value and interest earned if 8904.56 is invested for 7 years at 6% compounded semiannually Brooke has 7 in an account that earns 10% interest compounded annually.To the nearest cent, how much interest will she earn in 2 years?Tina is 10 years older than Grace. In 4 years time, Tina will be twice as old as Grace. How old are they now.The circumference of a circle is 20𝜋 inches. What is the area?Increase 120 75% by whats the new amount?