it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

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

Soluzione

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 .

Soluzione

The numbers : 14, 5

Fasi della soluzione

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

Esempi popolari

number in creased by nine is fifteen Estimate 3239-1928 by first rounding each number to the nearest hundred.use notazione dell’intervallo to indicate all the real numbers on the number line 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?