Some marbles in a bag are red and the rest are blue. If one red marble is removed, then one-seventh of the remaining marbles are red. If two blue marbles are removed instead of one red, then one-fifth of the remaining marbles are red. How many marbles were in the bag originally?<spanclass=′latex−bold′>(A)</span>8<spanclass=′latex−bold′>(B)</span>22<spanclass=′latex−bold′>(C)</span>36<spanclass=′latex−bold′>(D)</span>57<spanclass=′latex−bold′>(E)</span>71