ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

When a number is doubled and then decreased by 9 the result is 19. Find the number

Решение

Wh e n a n u mb er i s d o u b l e d an d t h e n d ecre a se d b y 9 t h e res u lt i s 19. F in d t h e n u mb er

Решение

The number : 14

Шаги решения

Represent the number with

x

A.T.Q.:

x \cdot 2 - 9 = 19

Решите для

x, x \cdot 2 - 9 = 19 : x = 14

The number : 14

Популярные примеры

Joann invested 43,700 at 12% to be compounded monthly. What will be the value of Joann's investment in 4 years? Round your answer to the nearest cent, if necessary.Twice a number added to 13 is equal to 27. What is the number?The product of two consecutive odd integers is equal to 30 more than the first. Find the integers.one less than four times a number is 11 Zara got 84% on her quiz. How many mark are those out of 25?