X 2y 8 2x y 5 July 8, 2019 16 32 64 128 X 2y 8 2x y 5 by elimination method 12 x 2y )- 8 2x y )= 2 5x 6y X 2y 5 y 2z 8 2x z 5 2y x 8 5y x 14 y 2x 1 X+y 2 5+z xy
