16/-7=20/x

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Solution for 16/-7=20/x equation: 


D( x )

x = 0

x = 0

x = 0

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

16/(-7) = 20/x // - 20/x

16/(-7)-(20/x) = 0

16/(-7)-20*x^-1 = 0

-20*x^-1 = 16/7 // : -20

x^-1 = -4/35

-1 < 0

1/(x^1) = -4/35 // * x^1

1 = -4/35*x^1 // : -4/35

-35/4 = x^1

x = -35/4

x = -35/4

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