In the given figure, ACB is a straight line and CD is a line segment such that ACD = (3x – 5)° and BCD = (2x + 10)°. Then, x = ?

3x – 5 + 2x + 10 = 180 (linear pair of angles)


5x + 5 =180


5x = 175


X = 175/ 5 = 35

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