en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular Word Problems >

twice the difference of a number and seven is equal to five times the number plus one. find the number.

Solution

tw i ce t h e d i ff ere n ce o f a n u mb er an d se v e n i s e q u a l t o f i v e t im es t h e n u mb er pl u s o n e . 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 - 7) = 5 x + 1

Solve for

x, 2 (x - 7) = 5 x + 1 : x = - 5

The number : - 5

Popular Examples

i have two apples and you have three so how many apples are there The sum of two numbers is four times their difference. The smaller of these numbers is 15 What is the greater number?A circle has a circumference of 14cm.What is its exact diameter?Three less than two times a number is less than eight a positive integer is twice another. The sum of the reciprocals of the two positive integers is 3/14 find the two integers