Answer
$x=1$.
Work Step by Step
The equation of the plane is given by
$$ 1(x-1)+1(y-0)+1(z-0) = 0 \Longrightarrow x=1.$$
So the equation is $x=1$.
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.