Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
s
o
l
v
e
o
v
e
r
i
n
t
e
g
e
r
s
x
>
0
4
4
y
>
0
4
4
z
>
0
4
4
x
y
+
z
+
y
x
+
z
+
z
x
+
y
=
4
Math Input
Natural Language
Math Input