exam Maths Puzzle Numerical Ability

Please simplify this rational expression and show all steps to achieve the answer. (* means to multiply per instructor)

x-6/x+2*2x-1/x-6/x-2/x+2

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exam Other Question

an elevator at a construction site has a maximum capacity of 2500 pounds. if the elevator operator weights 160 pounds and each cement bag weighs 60 pounds, how many bags of cement can be safely lifted on the elevator in one trip? The hypotenuse of a right triangle is 20 centimeters. The sum of the other two sides is 28 centimeters. Find the length of two sides.