Respuesta :

y=12x-1y=1\4  y=12x 1y =1\4 x-4 y=12x-1y 12x-1y=1\4 y=12x1y1\4  y=12x-1y=\x-4y=1x-y 12x-y  4{12x-y}=4{-/x/-4} y=12x -y  4 12x-4y=4x\x -y=12x-x-y