SOLUTION: what are the solutions? (r/4)-(4/r)=0

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Question 538829: what are the solutions?
(r/4)-(4/r)=0
Answer by oberobic(2304)   (Show Source): You can put this solution on YOUR website!
(r/4)-(4/r)=0
.
(r^2-16)/4r = 0
.
((r-4)*(r+4))/4r = 0
.
r = 4 or -4
.
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