Question 831152
Slope of the Given Line : y = mx + b   ( where m = slope)
3x - y -2 = 0
y = 3x - 2
So, Slope = 3
Slope of the perpendicular line will be : -1/3
Equation of Perpendicular Line :
(y-7)=(-1/3)(x+1)
3y - 21 = -x -1
x + 3y = 20 Answer