Answer
$2x$
Work Step by Step
We can call our unknown number $x$.
To find "twice $x$", we can write this as $2$ multiplied by $x$:
$2x$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.