80/x=15/8

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Solution for 80/x=15/8 equation: 


D( x )

x = 0

x = 0

x = 0

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

80/x = 15/8 // - 15/8

80/x-(15/8) = 0

80/x-15/8 = 0

80*x^-1 = 15/8 // : 80

x^-1 = 3/128

-1 < 0

1/(x^1) = 3/128 // * x^1

1 = 3/128*x^1 // : 3/128

128/3 = x^1

x = 128/3

x = 128/3

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