9x - 4y = -16
-4y = -16 - 9x
y = 4 + 9/4x
y = 9/4x + 4
m = 9/4
perpendicular m = -4/9x
y = -4/9x + 4 is the answer to problem 3.
3x - 2y = -2
-2y = -2 - 3x
y = 1 + 3/2x
y = 3/2x + 1
m = 3/2x
perpendicular m = -2/3x
y = -2/3x + 1 is the answer to V problem 4.
