# ALGEBRA

posted by
**ROBERT** on
.

can you help me with this. d don't get it at all :(

let n be the number used for the given number puzzle. use algebra to show how the puzzle works.

1. pick a number

2. subtract 9

3. multiply by 6

4. divide by 3

5. add 18

6. subtract twice your original number

You will always get zero