Solve the equation for x : 2x - 21 + 3x = 4 + 9 - x	Choose the correct choice from the following options:
A) 4  B) 5  C) 5.6  D) 9.2  E) 3.1
5.6   5.6   5 x + x = 13 + 21   6 x = 34 =&gt; x = 5.6
<result>C</result>
Solve the equation for x : 2x - 21 + 3x = 4 + 9 - x