Jamal Murray raised his arms in relief. His fourth-quarter 3-pointer both snapped his cold streak and helped put the game on ice. Murray and the Nuggets salted away a satisfying win Wednesday night, knocking off the Lakers, 110-99, to help erase the sting of Monday’s pounding in Portland. Now 3-2 on the season, Denver will look to avenge its opening-night loss to Utah on Friday. There was…