Respuesta :

Answer:

Step-by-step explanation:

y = 6x + 3   --------------(I)

x + 2y = 5       -------------(II)

substitute y = 6x + 3 in equation (II)

x + 2*(6x + 3) = 5

x + 2*6x + 2*3 = 5

x + 12x + 6  = 5

     13x + 6 = 5