Cam Carter scored 17 points to lead a balanced scoring effort and LSU coasted to an 81-67 victory against South Carolina on Tuesday night in Baton Rouge, La.Mike Williams III scored 13 points, Vyctorius Miller had 12, Dji Bailey added 11 and the Tigers (14-12, 3-10 SEC) won their second straight after a seven-game losing streak.LSU shot 50 percent from the floor and made 43 percent of its 3-pointers. The Tigers’ bench players outscored their South Carolina counterparts 30-15.Jamarii Thomas scored 23 and Collin Murray-Boyles had 16 points and 10 rebounds to lead the Gamecocks (10-16, 0-13), who extended their school-worst winless start in SEC play.Thomas made South Carolina’s first two field goals of the second half to start a 7-0 run that pulled the Gamecocks within 43-34. Curtis Givens III answered with a 3-pointer and Bailey added a jumper for a 14-point lead.South Carolina crept within nine points, but Carter made consecutive 3-pointers and the Tigers expanded the lead to 59-42. The Gamecocks trimmed the deficit to 15 points twice before Carter made a jumper and Jordan Sears added a 3-pointer to give LSU a 66-46 lead midway through the half.