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Phổ biến Word Problems >

Five times a number is the same as twenty-seven less than twice the number. What is the number?

Lời Giải

F i v e t im es a n u mb er i s t h e s am e a s tw e n t y - se v e n l ess t han tw i ce t h e n u mb er . Wha t i s t h e n u mb er ?

Lời Giải

The number : - 9

Các bước giải pháp

Represent the number with

x

A.T.Q.:

5 x = 2 x - 27

Giải

x, 5 x = 2 x - 27 : x = - 9

The number : - 9

Ví dụ phổ biến

The hiệu of two times a number and five is eight.the product of-7 and a number squared is-28.There are 3 consecutive integers. 4 more than the smaller number plus twice the 3rd number is 7 less then the 2nd number. Find the smallest integer of the 3 consecutive integers the hiệu between two numbers is 11 and their sum is 85. Fid the numbers.What number is 65% of 98