en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

If 15 is subtracted from two times a certain number, the result is five times the number. Find the number.

Solution

I f 15 i s s u b t r a c t e d f ro m tw o t im es a cer t ain n u mb er, t h e res u lt i s f i v e t im es t h e n u mb er . F in d t h e n u mb er .

Solution

The number : - 5

Solution steps

Represent the number with

x

A.T.Q.:

2 x - 15 = 5 x

Solve for

x, 2 x - 15 = 5 x : x = - 5

The number : - 5

Popular Examples

You deposit 10000 in an account earning 7% interest compounded monthly. How much will you have in the account in 1 years?Fatoumata is going to invest in an account paying an interest rate of 3.9% compounded monthly. How much would Fatoumata need to invest, to the nearest dollar, for the value of the account to reach 7,400 in 8 years?you are charged with 6% sales tax.You purchase a new bicycle and pay \$27 in sales tax.What is the purchase price of the bicycle?a boy is 10 years older than his brother. In four years he will be twice as old as his brother. Find the present age of each The sum of two consecutive even integers is 278