Choose a number. Multiply by 2. Add 6 to the product. Divide by 2. Then subtract 3. What is the answer? Repeat this process using two different numbers.

Answer 1

start with x. The value after each step is listed below

x
2x
2x+6
(2x+6)/2 = x+3
x+3-3 = x

you always get your original number.

Answer 2

2
2(2)
4+6
10/2
5-3
2
Damn Daniel, How Does This Work

Answer 3

Express the given​ Hindu-Arabic numeral in expanded form.

58315831