A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 108. What was the number he chose? Choose one:
A) 123
B) 267
C) 277
D) 267
E) 120

Rationale: "let xx be the number he chose , then 2 â ‹ … x â ˆ ’ 138 = 108 x = 123 answer : a"
Answer: A