pt

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Two numbers have a sum of 19 and a difference of 9. Write a system and solve it to identify the two numbers.

Solução

Tw o n u mb ers ha v e a s u m o f 19 an d a d i ff ere n ce o f 9. W r i t e a sys t e m an d so l v e i t t o i d e n t i f y t h e tw o n u mb ers .

Solução

The numbers : 14, 5

Passos da solução

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 19

x - y = 9

x + y = 19, x - y = 9 : x = 14, y = 5

The numbers : 14, 5

Exemplos populares

number in creased by nine is fifteen Estimate 3239-1928 by first rounding each number to the nearest hundred.use interval notation to indicate all the real numbers on the number reta that are less than or equal to 22 Between which two consecutive whole numbers is sqrt(89) ?Emil invests 2,658 in a retirement account with a fixed annual interest rate of 9% compounding. What will the account balance be after 15 years?