exam Maths Puzzle Numerical Ability

Can you give me a hand with this one? Thanks!

x/x-2 = 2/x-3 Solve for x

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exam Other Question

can you help me set-up this problem

a homeowner wants a fence to rectangular garden using 150 ft of fencing. the side of the garage will be used as one side of the rectangle. find the dimensions for which the area is a maximum. Graph f(x) = -2x + 4.