Answer: y= -1/a*x+5/a+3
Explanation:
The equation of given line isn't known. Let it be y=ax+b (1)
So the equation of required line is y=-1/a*x+c (2)
Lets put 5 instead x and 3 instead y in (2) and find c
-1/a*5+c=3
c=3+5/a
The required equation is y= -1/a*x+5/a+3