vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

eight more than seven times a number is equal to four more than five times a number. What is the number?

Lời Giải

e i g h t m ore t han se v e n t im es a n u mb er i s e q u a l t o f o u r m ore t han f i v e t im es a n u mb er . Wha t i s t h e n u mb er ?

Lời Giải

The number : - 2

Các bước giải pháp

Represent the number with

x

A.T.Q.:

8 + 7 x = 4 + 5 x

Giải

x, 8 + 7 x = 4 + 5 x : x = - 2

The number : - 2

Ví dụ phổ biến

What is the volume of a sphere with bán kính of 9.9ft , rounded to the nearest tenth of a cubic foot?Carlo is 12 years older than his brother. In 6 years, he will be twice as old as his brother. Find the present age of each.the sum of the two number is 40. one of the numbers exceeds the other number by 10. find the value of the smaller number six times the sum of a number and 25 is at least 21 The diameter of a circle is 84 kilometers. What is the circle's chu vi?Use pi \approx3.14 and round your answer to the nearest hundredth.