21/p+1=8

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Solution for 21/p+1=8 equation: 


D( p )

p = 0

p = 0

p = 0

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

21/p+1 = 8 // - 8

21/p-8+1 = 0

21*p^-1 = 7 // : 21

p^-1 = 1/3

-1 < 0

1/(p^1) = 1/3 // * p^1

1 = 1/3*p^1 // : 1/3

3 = p^1

p = 3

p = 3

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