Respuesta :

Answer:

1/2·x - 2/3·y = 5   | *6

3·x - 4·y = 30

3·x = 4·y + 30

3·x - 30 = 4·y

y = 3/4·x - 30/4

y = 3/4·x - 15/2

y = 0.75·x - 7.5