Answer
$x=21$
Work Step by Step
Using the properties of equality, the solution to the given equation, $
x-6=15
$, is
\begin{array}{l}\require{cancel}
x=15+6
\\\\
x=21
.\end{array}
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.