Question

If 5 is added to four times a certain number, then the result obtained is 5 less than 6 times of that number. Find the number​

Answer 1

Answer:

Let the number be x.

According to first condition,

4x + 5 = 6x - 5

4x - 6x = -5 -5

-2x = - 10

Cancelling (-) minus on both sides,

2x = 10

x = 5

The no. ,i.e, x is 5.

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Answer 2

Let the certain number be x

When 5 is added to it= 5+4x

Result is 5 less than 6times the number=6x-5

5+4x=6x-5

4x-6x=-5-5

-2x=-10

x=-5