If 2x + 3y = 26; 2y + z = 19 and x + 2z = 29, what is the value of x + y + z ?	Choose the correct option
A) 18  B) 32  C) 26  D) 22  E) None of these
On solving equation we get   x = 7, y = 4, z = 11   Answer 22
<result>D</result>
If 2x + 3y = 26; 2y + z = 19 and x + 2z = 29, what is the value of x + y + z ?