exam Maths Puzzle Numerical Ability

Solve: [n/(n-4)]+n=(12-4n)/(n-4).

Thank you

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exam Other Question

Write an equation of the line in slope-intercept form with slope 1/3 that crosses the y-axis at (0,-2) To whom may it concern,

I have difficulty to do this question.

An isosceles triangle has a vertical angle of 108� and a base 20 cm long. Calculate its altitude.

Please help and thank you.

CH Lam