A student chose a number, multiplied it by 2, then subtracted 138 from the result and got 102. What was the number he chose?	Select:	A) 240	B) 120	C) 150	D) 200	E) 100
Let x be the number he chose, then   2⋅x−138=102   2x=240   x=120   So answer is 120
<result>B</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?