exam Maths Puzzle Numerical Ability

Solve. 4 - a-4/a+5 = a^2-16/a+5

Thank you in advance.

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exam Other Question

I am really stuck on this math homework problem i got the rest but not this one. How do you graph this equation by using the slope and a point on the line. this is the question y-2=3(x-5) use the addition rules to find the sum:
-7 + (-4) + 2