Explanation:
I'm not sure if the question is 
 or
 or 
 , so we can do both:
, so we can do both:

First, let's subtract 
 from both sides to isolate the
 from both sides to isolate the 
 on the left-hand side:
 on the left-hand side:

Next, let's multiply both sides by 
 to get
 to get 
 by itself:
 by itself:


First, let's subtract 
 from both sides to isolate the
 from both sides to isolate the 
 on the left-hand side:
 on the left-hand side:

Next, we can take the reciprocal of both sides to get rid of the fraction on the side with 
 :
:

Next, we can divide both sides by 
 to get
 to get 
 by itself:
 by itself:
