en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Alvin is 9 years older than Elga. The sum of their ages is 75. What is Elga's age?

Solution

Alvin is 9 years older than Elga. The sum of their ages is 75. What is Elga's age?

Solution

Elga^{'} s age is : 33

Solution steps

Translate the problem into an equation:

x + x - 9 = 75

Solve for

x, x + x - 9 = 75 : x = 42

Find Elga's age

: 33

Elga^{'} s age is : 33

Popular Examples

Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 234. How old is Emma?4 times a number, plus 9 4 times a number.the sum of two consecutive odd integers is 144 Gwen opened a savings account and deposited 500.00 as principal. The account earns 3% interest, compounded annually. What is the balance after 8 years?