ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

The sum of twice a number and one is twenty one.

Решение

T h e s u m o f tw i ce a n u mb er an d o n e i s tw e n t y o n e .

Решение

The number : 10

Шаги решения

Represent the number with

x

A.T.Q.:

2 x + 1 = 21

Решите для

x, 2 x + 1 = 21 : x = 10

The number : 10

Популярные примеры

100 is 25% of what number?The radius of a окружность is 10 cm. Find its area in terms of pipi The perimeter of a rectangle is 74 cm. If the length is 23 cm, how wide is the rectangle?You deposit 8000 in an account earning 7.2% interest compounded monthly. How much will you have in the account in 1 year?The диаметр of a circle is 6 inches. What is the area?