book Maths Puzzle Numerical Ability

The sum of a number and 4 times its reciprocal is 25 over 6...

equation is: X+4(1/X)+25/6... but how do I solve this?

Thank you!

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book Other Question

I am trying to translate a word problem into algebraic form.

The Federal Government's budget for the year 2004 is for $2.4 Trillion dollars. It also has a deficit of $521 Billi 8z+9=5 what does z equal?