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.
find 180-(5x+10)-(12x+32) if 5x+10=3x+20
find 180-(5x+10)-(12x+32) if 5x+10=3x+20
Natural Language
Math Input
Extended Keyboard