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Q2. a. Solve for x in the following equation: (8)

(x + 4)/(x - 2) - (x + 1)/(2x - 3) = 5/2

b. For a certain ship, at deadweight displacement, the power of the main engine is given by P = V(a + bV² ) where V is the ship's speed, and a and b are positive constants.

The engine powers are 3650 kW and 11100 kW when the ship speeds are 10 and 15 knots. respectively. Calculate the engine power when the speed of the ship is 12 knots. (8)