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.
-2 log_1/2 (4-x)=3-log_1/2 (10-x)
-2 log_1/2 (4-x)=3-log_1/2 (10-x)
Natural Language
Math Input
Extended Keyboard