One third the sum of 13 and a certain number is the same as one more than twice the number ----
A
2
B
3/4
C
13
D
none of these
Correct Answer: 2
(13 + x)/3 = 2x + 1 13 + x = 6x + 3 m or, 13 - 3 = 6x - x or, 5x = 10 or, x = 2