X 2y 5 2x y 7 July 8, 2019 16 32 64 128 If x 2y 5 and 2x y 7 then x y X 3 )( 2y 5 )=( 2x 7 )( y 1 Solve x 2y 7 2x y 5 X 2y 5 and 2x y 7 find the value of x y X 2y z 7 3x y z 5 2x 3y z 3 If x 2y 5 and 2x y 7 then find x y 2x y 5 dan x 2y 7 Giải hệ phương trình x 2y 5 2x y 7 Y = 2x + 5