Write the following using algebraic notation, using the letter x for any unknown numbers:
I think of a number, add one then double the result.
![Write the following using algebraic notation using the letter x for any unknown numbers I think of a number add one then double the result class=](https://us-static.z-dn.net/files/d9a/0449eb48e6bc0a93605779e69565e129.png)