Y 2x x 2y 9 July 8, 2019 16 32 64 128 2x y 9 x 2y 3 2x y 9 x 2y 6 2x y 9 x 2y 7 X 2y 5 2x y 9 X 2y 5 y =( 2x 3 )( x 9 2x y 8 x 2y 9 2x y 12 x 2y 9 2x y 9 x 2y 2 Solve 2x y 12 and x 2y 9 X 2y 9 and 2x y 8 elimination method X 18 2y y 2x 9 by cramer's rule X 2y 24 2x y 9 X 2y 9 and 2x y 8 substitution method