21/c=7/8

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Solution for 21/c=7/8 equation: 


D( c )

c = 0

c = 0

c = 0

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

21/c = 7/8 // - 7/8

21/c-(7/8) = 0

21/c-7/8 = 0

21*c^-1 = 7/8 // : 21

c^-1 = 1/24

-1 < 0

1/(c^1) = 1/24 // * c^1

1 = 1/24*c^1 // : 1/24

24 = c^1

c = 24

c = 24

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