Respuesta :

General equation of the line is 
y = mx + c

c = -3
m = 3

so the equation is
y = 3x - 3
General equation of the line is 
y = mx + b
m = 3
so y=3x+b

now find b
-3=3(0)+b
-3=b

so the equation is
y = 3x - 3