A student chose a number, multiplied it by 6, then subtracted 138 from the result and got 102. What was the number he chose?
Choose the correct choice from the following choices:	A) 40	B) 120	C) 130	D) 140	E) 150
Solution:   Let xx be the number he chose, then   6⋅x−138=102   6x=240   x=40   40nswer 40
<result>A</result>
A student chose a number, multiplied it by 6, then subtracted 138 from the result and got 102. What was the number he chose?