A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 104. What was the number he chose?
Pick: A) 123 B) 121 C) 277 D) 267 E) 120
Let xx be the number he chose, then   2â‹…xâˆ’138=104 2â‹…xâˆ’138=104   x=121   Answer:121
<result>B</result>
A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 104. What was the number he chose?