Exam Maths Puzzle Algebra

Solve find x.
-2/x + 4 = 2

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Exam Other Question

Q1. International Airport in Chicago has a flight leaving for New York every 45 minutes and a flight leaving for Atlanta every 60 minutes. If a flight to New York and a flight to Atlanta leave at the same time, how many minutes will it be before a flight to New York City and a flight to Atlanta again leave at the same time?

Q2. Sara Pappas and Harry Kinnan both work the 3:00 pm to 11:00 pm Shift. Sara has every fifth night off and Harry has every sixth night off. If they both have tonight off, how many days will pass before they have the same night off again? Solve for A and B in the following problem.

4A+B=16, 2A+3B=24