SOLUTION: Solve s/9-9/s=0

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Question 315975: Solve
s/9-9/s=0

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
s/9-9/s=0 Find the LCM (9s)
(s*s-9*9)/9s=0
s^2-81=0
(s+9)(s-9)=0
s+9=0
s=-9 ans.
s-9=0
s=9 ans.
Proof:
-9/9-9/-9=0
-1+1=0
0=0
9/9+9/-9=0
1-1=0
0=0