Question

A number machine takes any number put into it, adds 20, then subtracts 10, and then adds 8. If the number 13 is put into the machine, what number comes out?

Answer 1

Answer:

bro it is simple you can do if you are not able to then just tell me

Answer 2

Answer:

(-5)

Step-by-step explanation:

Let machine put number x in machine.

ATQ

x + 20 - 10 +8 = 13

x + 10 + 8 = 13

x + 18 = 13

x = 13 - 18

x = (-5)