Respuesta :

gmany

Answer:

y + 3 = 0

Step-by-step explanation:

The general form of an equation of a line:

Ax + By + C = 0

We have

y = -3              add 3 to both sides

y + 3 = -3 + 3

y + 3 = 0

where A = 0, B = 1, C = 3