exam Maths Puzzle Numerical Ability

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Solve.

5/x+4 + 3 = 2/x+4

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exam Other Question

Would someone check this for me, Thanks so much.

7/9 -(-13/18) I have 3/2 as an answer. Express both in terms of x

1. ln(x) = 2

what I thought was x = e^2 but that seemed too simple

2. tan^-1 x = 1