Respuesta :

mathecoach

-x + 5·y = 4 --> y = y = 1/5·x + 4/5

5·y - x = 15 --> y = 1/5·x + 3

2·y - 3·x = 7 --> y = 3/2·x + 7/2

2·y = 5·x + 7 --> y = 5/2·x + 7/2

You know in y = m·x + b, m is the slope and b is the y-intercept?