A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 110. What was the number he chose? Choose one.
A) 123  B) 267  C) 277  D) 124  E) 120
Let xx be the number he chose, then   2â‹…xâˆ’138=110   x=124   Answer:124
<result>D</result>
A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 110. What was the number he chose?