If 2x + 3y = 37; 2y + z = 19 and x + 2z = 29, what is the value of x + y + z ?
Answers.
A) 18  B) 32  C) 25  D) 22  E) None of these
On solving equation we get   x = 11, y = 5, z = 9   Answer 25
<result>C</result>
If 2x + 3y = 37; 2y + z = 19 and x + 2z = 29, what is the value of x + y + z ?