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
3
x
2
+
y
=
7
a
n
d
4
y
2
-
x
=
5
Math Input
Natural Language
Math Input
