SOLUTION: n-6 n-5 --- = --- 3n 3n+1

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Question 251718: n-6 n-5
--- = ---
3n 3n+1
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
n-6 n-5
--- = ---
3n 3n+1
cross multiply.
3n(n-5)=(n-6)(3n+1)
3n^2-15n=3n^2-17n-6
3n^3-3n^2-15n+17n=-6
2n=-6
n=-6/2
n=-3 ans.
Proof:
(-3-6)/-3*3=(-3-5)/(3*-3+1)
-9/-9=-8/(-9+1)
1=-8/-8
1=1