SOLUTION: please help me solve: n+1/n+2=n-3/n+1 I do not know where to start. Thank you.

Algebra ->  Expressions-with-variables -> SOLUTION: please help me solve: n+1/n+2=n-3/n+1 I do not know where to start. Thank you.       Log On


   

Question 498681: please help me solve:
n+1/n+2=n-3/n+1
I do not know where to start. Thank you.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for n:
%28n%2B1%29%2F%28n%2B2%29+=+%28n-3%29%2F%28n%2B1%29 Cross-multiply:
%28n%2B1%29%28n%2B1%29+=+%28n-3%29%28n%2B2%29 Perform the indicated multiplication.
n%5E2%2B2n%2B1+=+n%5E2-n-6 Subtract n%5E2 from both sides.
2n%2B1+=+-n-6 Add n to both sides.
3n%2B1+=+-6 Subtract 1 from both sides.
3n+=+-7 Finally, divide both sides by 3.
highlight%28n+=+-7%2F3%29