Answer
w=6
x=6
y=6
z=6
Work Step by Step
x-y=0
x-z=0
y-w=0
w=6
y-6=0, y=6
x-6=0, x=6
6-z=0, z=6
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.