5r/r-1=7

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Solution for 5r/r-1=7 equation: 


D( r )

r = 0

r = 0

r = 0

r in (-oo:0) U (0:+oo)

(5*r)/r-1 = 7 // - 7

(5*r)/r-7-1 = 0

-3 = 0

r belongs to the empty set

r belongs to the empty set

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