2x y 5 xy 4 July 8, 2019 16 32 64 128 2x y 5 xy 4 metodo grafico Y 2x 8 xy 5 x 2x 4 2x 4y 5 xy x 2 y 2 6 Xy 5 2x y 4 graphical method 2x 4 y 2 x 5 xy 1 Xy 4 and 2x y 5 what is the value of x Xy 5 and 2x y 4 substitution method answer 2x + y = 4
