The expression on the left side of an equation is shown below. Negative 5 (x 2) 3 x = box If the equation has an infinite number of solutions, which expression can be written in the box on the other side of the equation? Negative 5 (x minus 3) 2 x –5x – 10 xMinus 2 x 2 3 x Negative 2 (x 5).

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]