it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

If the differenza of a number and five is doubled, the result is nine more than the number. Find the number

Soluzione

I f t h e d i ff ere n ce o f a n u mb er an d f i v e i s d o u b l e d, t h e res u lt i s nin e m ore t han t h e n u mb er . F in d t h e n u mb er

Soluzione

The number : 19

Fasi della soluzione

Represent the number with

x

A.T.Q.:

(x - 5) \cdot 2 = 9 + x

Risolvi per

x, (x - 5) \cdot 2 = 9 + x : x = 19

The number : 19

Esempi popolari

Julian invested 990 in an account paying an interest rate of 6.2% compounded continuously. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 12 years?Benjamin invested 39,000 in an account paying an interest rate of 2.1% compounded daily. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach 54,200?you buy a watch for 60. your friend buys a watch a month later. it is now sold at a 15% what is the new price? what is the total cost including tax?Dylan invested 7,200 in an account paying an interest rate of 2.3% compounded quarterly. Assuming no deposits or withdrawals are made, how much money, to the nearest dollar, would be in the account after 12 years?The radius of a circle is 20 ft. Find its circonferenza in terms of pipi.