A shopkeeper sells bananas in two types of boxes, one small and one large. A large box contains as many as 6 small boxes plus 2 loose bananas. Form an equation which gives the number of bananas in each small box, if the number of bananas in 1 large box is 50.
A3x + 1 = 50
Bx + 1 = 20
C6x + 2 = 50
D2x + 1 = 20