Question 767762
<pre>
     9x + 12 = 2x + 47

Add -12 to both sides

9x + 12 - 12 = 2x + 47 - 12

          9x = 2x + 35

Add -2x to both sides

     9x - 2x = 2x + 35 - 2x

          7x = 35

Divide both sides by 7

          {{{7x/7}}}{{{""=""}}}{{{35/7}}}

           x = 5

Edwin</pre>