Question 1023267
<pre>
3n-5 = 19

Add +5 to both sides to get rid of the -5 on the left

3n-5 = 19
  +5   +5
---------
3n   = 24

Divide both sides by 3 to get rid of the coefficient of 3:

{{{3n/3}}}{{{""=""}}}{{{24/3}}}

Cancel the 3's on the left and divide 24 by 3 
on the right: 

{{{n}}}{{{""=""}}}{{{8}}}

Edwin</pre>