16/9=42/x

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Solution for 16/9=42/x equation: 


D( x )

x = 0

x = 0

x = 0

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

16/9 = 42/x // - 42/x

16/9-(42/x) = 0

16/9-42*x^-1 = 0

-42*x^-1 = -16/9 // : -42

x^-1 = 8/189

-1 < 0

1/(x^1) = 8/189 // * x^1

1 = 8/189*x^1 // : 8/189

189/8 = x^1

x = 189/8

x = 189/8

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