Xy 3 x 3 y 2 6 July 8, 2019 16 32 64 128 Xy 3 x 3 y 2 6 by substitution method Xy 3 x 3 y 2 6 by elimination method Xy 3 x 3 y 2 6 solution Xy 3 x 3 y 2 6 by elimination method answer X y 3 xy 3 6y x 2 y 2
