A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 106. What was the number he chose?
Choose the correct choice:
A) 123
B) 267
C) 277
D) 122
E) 120
Let xx be the number he chose, then   2â‹…xâˆ’138=106   x=122   Answer:122
<result>D</result>
A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 106. What was the number he chose?