Seudónimo Seudónimo 17-03-2017 Mathematics contestada Which expression is equivalent to 1/3(5x+3y)+2/5y+7 A. 5/3x+7/5y+7 B. 15x+2/5y+7 C. 5/3x+2/5y+7 D.15x+9 2/5y+7