en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

Two times the sum of a number and 9 is equal to 5.

Solution

Tw o t im es t h e s u m o f a n u mb er an d 9 i s e q u a l t o 5.

Solution

The number : - 6 \frac{1}{2}

Solution steps

Represent the number with

x

A.T.Q.:

2 (x + 9) = 5

Solve for

x, 2 (x + 9) = 5 : x = - \frac{13}{2}

Convert improper fractions to mixed numbers:

\frac{13}{2} = 6 \frac{1}{2}

The number : - 6 \frac{1}{2}

Popular Examples

find the area of a circle of radius 5 The next model of a sports car will cost 13.3% more than the current model. The current model costs46,000 . How much will the price increase in dollars? What will be the price of the next model?(a+\number{1})^x < 1; \number{0}< x< \number{1}; \number{-1}< a< \number{0}Find the future value and interest earned if 8804.56 is invested for 8 years at 6% compounded semiannually One of Krista’s classmates, Steven, has also been saving. His parents opened a compound interest account for him when he was a baby. They made an initial investment of 500 and the account had a 2.5% interest rate. How much more money does Steven have in his account than Krista has in her account, after 18 years?