exam Maths Puzzle Numerical Ability

solve log(2x+3) = log(4x)+ 2, for x giving your answer correct to 3 significant figures

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exam Other Question

If I have an equilateral triangle with a hypotenuse of 82 cm, what is the length of the two equal sides? I would like you to help me with this problem: 5x-9y=11, 3x+7y=19.