7/x=3/20

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Solution for 7/x=3/20 equation: 


D( x )

x = 0

x = 0

x = 0

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

7/x = 3/20 // - 3/20

7/x-(3/20) = 0

7/x-3/20 = 0

7*x^-1 = 3/20 // : 7

x^-1 = 3/140

-1 < 0

1/(x^1) = 3/140 // * x^1

1 = 3/140*x^1 // : 3/140

140/3 = x^1

x = 140/3

x = 140/3

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