Question

If 15 is added to four times a certain no., then the result obtained is 5 less from 6 times of that no. Find the number.

Answer 1

Let the number be x.

When 15 is added to number = x+15

According to the question,

x+15 = 6x -5

5x = 20

x = 4

Hence the number is 4 .

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Answer 2

Answer:

Let the number be x

when 15 is added to number =x+5

According to the question

x+5 = 6x-5

5x = 20

x= 4

Hence the number is 4.