Question 1051598
-4x-7y=-7x-4y
3x = 3y
x = y Green Line
0r
y = x slope m = 1
Perpendicular Line m = -1
P(-4,-4)
y + 4 = -1(x+4)
y = -x - 8  Blue Line
{{{drawing(300,300,    -10,10,-10,10,  
 grid(1),

circle(-4,-4,0.4),
graph( 300, 300, -10,10,-10,10,0, x, -x-8))}}}