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.
solve (21/5)^2 x + 16y = 1 and (28/5)^2 x + 9y = 1
solve (21/5)^2 x + 16y = 1 and (28/5)^2 x + 9y = 1
Natural Language
Math Input
Extended Keyboard
