Respuesta :



 2x - y = 63 so y = 2x - 63

substitute y = 2x - 63  into 3y = x
3y = x
3(2x - 63) = x
6x - 189 = x 
5x = 189
  x = 189/5

y =  2(189/5) - 63
y = 63/5

answer
(189/5 , 63/5)