Answer:
3x+y-10=0
Step-by-step explanation:
y-y1=m (x-x1)
In the question we are told that
m= -3
y1= -2
x1=4
With this information, we can make a substitution.
y--2=-3 (x-4)
Simplify and expand brackets
y+2=-3x+12
Rearrange in standard form
3x+y-10=0