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n)

(x + 3)/(x + 2) = 4/5

5x + 15 = 4x + 8

x = -7

o)

(x - 2)/(x + 5) = 1/8

8x - 16 = x + 5

7x = 21

x = 3

p)

(x - 4)/(x - 2) = 5/3

3x - 12 = 5x - 10

2x = 2

x = 1

q)

(x - 7)/(x - 3) = -3/1

x - 7 = -3x + 9

4x = 16

x = 4

r)

(x - 2)/(x - 5) = 0

x = 2