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.
10x-7y=-1 , -2x-7y=-25
10x-7y=-1 , -2x-7y=-25
Natural Language
Math Input
Extended Keyboard
