Answer:
y + 3x = 0
Explanation:
The formula for equation of the line is :
y - y1 = m ( x - x1 )
NB: The m is the slope, then use substitution, solve and equate everything to 0
The equation of line passing from point (x1,y1) and having slope m is
y- y1 =m(x- x1)
m=-3, x1=1, y1=-3
y-(-3) = -3(x-1)
y+3=-3(x-1)
y+3=-3x+3
y=-3x
3x+y=0
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