exam Maths Puzzle Numerical Ability

I know the answer to the maths question below is x = 3 but I have forgotten the method to calculate it. Can you help me?

9 - x divided by 2x - 3 = 2

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exam Other Question

Hi, can I have some help with this problem?

A 10-ft-long stem of bamboo is broken in such a way that its tip touches the ground t = 3 ft from the base of the stem What is the height of the break? (Hint: Use the Pythagorean Theorem.) 4b-5b-7b-7b