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

Question 42123: Solve: [n/(n-4)]+n=(12-4n)/(n-4).
Thank you
Answer by psbhowmick(878) (Show Source): You can put this solution on YOUR website!

or
or
or
[when 'n' not equal to 4; as otherwise division by (n-4) is division by 0 which is undefined]
or

Using the quadratic formula

or
or

Therefore either n = 4 or n = -3.
Now, we have already seen that the equation is not valid for n = 4.
So the only solution is n = -3.
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