Question

I think of a number. I multiply it by 5 and then add 7 The answer is 22 What number was I thinking of?

Answer 1

The number x = 3

Explanation:

Explanation

Let 'x' be a number

Given that multiply it by 5 and then add 7 The answer is 22

5 x + 7 = 22

subtracting '7' on both sides, we get

5 x + 7 - 7 = 22 -7

5 x = 15

Dividing by '5' on both sides, we get

`(5x)/(5) = (15)/(5)`

x = 3

The number x = 3