16/9=7/x

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Solution for 16/9=7/x equation: 


D( x )

x = 0

x = 0

x = 0

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

16/9 = 7/x // - 7/x

16/9-(7/x) = 0

16/9-7*x^-1 = 0

-7*x^-1 = -16/9 // : -7

x^-1 = 16/63

-1 < 0

1/(x^1) = 16/63 // * x^1

1 = 16/63*x^1 // : 16/63

63/16 = x^1

x = 63/16

x = 63/16

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