7/x=8/120

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Solution for 7/x=8/120 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = 8/120 // - 8/120

7/x-(8/120) = 0

7/x-1/15 = 0

7*x^-1 = 1/15 // : 7

x^-1 = 1/105

-1 < 0

1/(x^1) = 1/105 // * x^1

1 = 1/105*x^1 // : 1/105

105 = x^1

x = 105

x = 105

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