A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. What was the number he chose?
Options.
A) 123  B) 267  C) 277  D) 267  E) 120
Let xx be the number he chose, then   2⋅x−138=1022⋅x−138=102   2x=2402x=240   x=120   Answer:120
<result>E</result>
A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. What was the number he chose?