How do you solve n-5/6n=4700?

Mathematics
Tutor: None Selected Time limit: 1 Day

n-5/6n=4700

Oct 30th, 2015

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n -5/6n =4700

Multiply through the equation by 6n.

6n2 -5=28200n

We have the equation in the format ax2 + bx + c = 0

6n2 -28200n - 5=0

 We use the quadratic formula to get n

n= (28200 +/- squareroot of -28200*2 - 4*6* -5)/2*6

=28200+28200 / 12

=4700

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 30th, 2015

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