human
Solve three or more step linear equations, with the variable on one side, with all positive integers Kieran thinks of a number. He doubles it and adds \( 6 \). He then divides it by \( 2 \). The answer is \( 8 \). What was his original number? ![A cartoon of a man, in this question called Kieran, wearing a shirt, tie, grey trousers and black shoes. He is thinking of a number, we can tell this because he has a thought bubble above his head with a '?' in it.]() \( 20 \)
gpt
When solving a problem that requires an inverse operation (e.g. missing number problems), does the original operation