Question

A natural number decreased by 7 is 12 find the number

Answer 1

Step-by-step explanation:

Let it be x

So

x - 7 = 12

x = 12 + 7

= 19

Answer 2

Step-by-step explanation:

let the number be x.

$x - 7 = 12 \\ x = 12 + 7 \\ x = 19$

therefore the number is 19.