2/7=18/x

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Solution for 2/7=18/x equation: 


D( x )

x = 0

x = 0

x = 0

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

2/7 = 18/x // - 18/x

2/7-(18/x) = 0

2/7-18*x^-1 = 0

-18*x^-1 = -2/7 // : -18

x^-1 = 1/63

-1 < 0

1/(x^1) = 1/63 // * x^1

1 = 1/63*x^1 // : 1/63

63 = x^1

x = 63

x = 63

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